WO2019082723A1 - ズームレンズ系、及び撮像装置 - Google Patents
ズームレンズ系、及び撮像装置Info
- Publication number
- WO2019082723A1 WO2019082723A1 PCT/JP2018/038404 JP2018038404W WO2019082723A1 WO 2019082723 A1 WO2019082723 A1 WO 2019082723A1 JP 2018038404 W JP2018038404 W JP 2018038404W WO 2019082723 A1 WO2019082723 A1 WO 2019082723A1
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- WO
- WIPO (PCT)
- Prior art keywords
- lens
- lens group
- group
- image
- object side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/64—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having more than six components
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
- G02B9/62—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having six components only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/02—Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/146—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having more than five groups
- G02B15/1461—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having more than five groups the first group being positive
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/20—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having an additional movable lens or lens group for varying the objective focal length
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B5/00—Adjustment of optical system relative to image or object surface other than for focusing
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/009—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras having zoom function
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/005—Diaphragms
Definitions
- the present disclosure relates to a zoom lens system that is compact and can obtain good optical performance over the entire zoom range, and an imaging device using the zoom lens system.
- Patent Document 1 and Patent Document 2 disclose a zoom lens system which performs zooming by changing the distance between the groups, which is a six-group configuration capable of obtaining a high zoom ratio.
- the present disclosure is directed to a zoom lens that is compact and can provide good optical performance over the entire zoom range, and an imaging device using the zoom lens.
- the zoom lens system includes, in order from the object side to the image side, a first lens group having a positive power, a second lens group having a negative power, and a third lens group having a positive power; A fourth lens group having a negative power, a fifth lens group having a positive power, and a sixth lens group having a power.
- each group interval changes, and the fifth lens unit is configured of two or less lens elements.
- At least one convex meniscus lens element having a concave surface facing the object side and satisfying the following condition (4): 10.2 ⁇ fT / fW (4) where fT: telephoto end Focal length at fW: focal length at the wide angle end.
- a zoom lens that is compact and can provide good optical performance over the entire zoom range, and an imaging device using the zoom lens.
- Lens arrangement diagram showing an infinity in-focus condition of an imaging optical system according to Embodiment 1 (Numerical Example 1) Longitudinal aberration of the imaging optical system at infinity according to numerical example 1 Transverse aberration diagram in the basic state where image blur correction is not performed and in the state of image blur correction at the telephoto end of the imaging optical system according to Numerical Example 1.
- Lens arrangement diagram showing an infinity in-focus condition of an imaging optical system according to Embodiment 2 (Numerical Example 2) Longitudinal aberration of the imaging optical system at infinity focusing state according to numerical example 2 Transverse aberration diagram in the basic state where image blur correction is not performed and in the state of image blur correction at the telephoto end of the imaging optical system according to Numerical Example 2.
- Lens arrangement diagram showing an infinity in-focus condition of the imaging optical system according to Embodiment 3 (Numerical Example 3) Longitudinal aberration of infinity focusing state of imaging optical system according to Numerical Example 3 Transverse aberration diagram in the basic state in which image blur correction is not performed and in the image blur correction state at the telephoto end of the imaging optical system according to Numerical Example 3
- Lens arrangement diagram showing an infinity in-focus condition of an imaging optical system according to Fourth Embodiment (Numerical Example 4) Longitudinal aberration diagram of in-focus condition of the imaging optical system according to Numerical Example 4 Transverse aberration diagram in the basic state in which image blur correction is not performed and in the image blur correction state at the telephoto end of the imaging optical system according to Numerical Example 4
- Lens arrangement diagram showing an infinity in-focus condition of an imaging optical system according to Embodiment 5 (Numerical Example 5) Longitudinal aberration of the imaging optical system at infinity according to numerical example 5 Transverse aberration diagram in the
- Embodiments 1 to 5 are lens arrangement diagrams of imaging optical systems according to Embodiments 1 to 5, respectively, each representing the imaging optical system in focus at infinity. There is.
- the part shown in (a) in the figure is the lens configuration at the wide angle end (shortest focal length state: focal length fW);
- the lens configuration at the position (intermediate focal length state: focal length fM ⁇ (fW * fT)) and the portion shown in (c) respectively represent the lens configuration at the telephoto end (longest focal length state: focal length fT).
- the aspect ratio is the same.
- the curved arrows provided between the part shown in (a) and the part shown in (b) in the drawing are wide-angle in order from the top It is a line obtained by connecting the positions of the lens units in each state of the end (Wide), the middle position (Mid), and the telephoto end (Tele). Between the wide angle end and the intermediate position, and between the intermediate position and the telephoto end, they are simply connected by a curve, which is different from the actual movement of each lens group.
- FIG. 1, FIG. 4, FIG. 7, FIG. 10, and FIG. 13 the arrows attached to the lens groups indicate focusing from an infinity in-focus condition to a close-point in-focus condition.
- FIGS. 1, 4, 7, 10, and 13 the reference numerals of the respective lens units are described below the positions of the respective lens units in the portion illustrated in (a) of the drawings, and thus for convenience.
- an arrow representing focusing is attached to the lower part of the reference numeral of each lens group, the direction in which each lens group moves in focusing in each zooming state will be specifically described later for each embodiment. .
- FIG. 1 FIG. 4, FIG. 7, FIG. 10, and FIG. 13, an asterisk (*) attached to a specific surface indicates that the surface is aspheric. Further, in FIG. 1, FIG. 4, FIG. 7, FIG. 10, and FIG. 13, the symbol (+) and the symbol (-) attached to the symbols of each lens group correspond to the symbols of the power of each lens group. In FIGS. 1, 4, 7, 10, and 13, the straight line described on the right side represents the position of the image plane S (the surface on the object side of the imaging device).
- FIG. 1 shows an imaging optical system according to the first embodiment.
- the zoom lens system includes, in order from the object side to the image side, a first lens group G1 having positive power, a second lens group G2 having negative power, and a third lens group G3 having positive power.
- the fourth lens group G4 having a negative power
- the fifth lens group G5 having a positive power
- the sixth lens group G6 having a negative power
- the parallel plate P the parallel plate P.
- the zoom lens system forms an image at the position of the image plane S.
- the first lens unit G1 includes, in order from the object side to the image side, a first lens element L1 having negative power, a second lens element L2 having positive power, and a third lens element L3 having positive power. Be done.
- the first lens element L1 and the second lens element L2 are cemented lenses bonded with an adhesive or the like.
- the second lens unit G2 includes, in order from the object side to the image side, a fourth lens element L4 having a negative power, a fifth lens element L5 having a negative power, and a sixth lens element L6 having a positive power. Be done.
- the third lens unit G3 includes, in order from the object side to the image side, an aperture A, a seventh lens element L7 having a positive power, an eighth lens element L8 having a positive power, and a ninth lens having a negative power.
- An element L9 is configured of a tenth lens element L10 having positive power.
- the eighth lens element L8 and the ninth lens element L9 are cemented lenses bonded with an adhesive or the like.
- the fourth lens unit G4 is a single lens and is composed of an eleventh lens element L11 having a negative power.
- the fifth lens unit G5 is a single lens and is composed of a twelfth lens element L12 having a positive power.
- the sixth lens unit G6 is a single lens and is composed of a thirteenth lens element L13 having a negative power.
- the lens elements in the first lens unit G1 will be described.
- the first lens element L1 is a concave meniscus lens having a convex surface on the object side.
- the second lens element L2 is a convex meniscus lens having a convex surface on the object side.
- the third lens element L3 is a convex meniscus lens having a convex surface on the object side.
- the lens elements in the second lens unit G2 will be described.
- the fourth lens element L4 is a concave meniscus lens having a convex surface on the object side, and has an aspheric shape on the object side and the image side.
- the fifth lens element L5 is a biconcave lens.
- the sixth lens element L6 is a biconvex lens.
- the lens elements in the third lens unit G3 will be described.
- the seventh lens element L7 is a convex meniscus lens having a convex surface on the object side, and has an aspheric shape on the object side and the image side.
- the eighth lens element L8 is a biconvex lens.
- the ninth lens element L9 is a biconcave lens.
- the tenth lens element L10 is a biconvex lens, and has an aspheric shape on the image side.
- the eleventh lens element L11 is a concave meniscus lens having a convex surface on the object side, and has an aspheric shape on the object side and the image side.
- the lens elements in the fifth lens unit G5 will be described.
- the twelfth lens element L12 is a convex meniscus lens having a concave surface on the object side, and has an aspheric shape on the object side and the image side.
- the lens element in the sixth lens unit G6 will be described.
- the thirteenth lens element L13 is a concave meniscus lens having a concave surface on the object side, and has an aspheric shape on the object side and the image side.
- the first lens group G1, the third lens group G3, and the fourth lens group G4 move to the object side during zooming from the wide-angle end to the telephoto end during imaging.
- the second lens group G2 moves so as to draw a convex locus on the image side
- the fifth lens group G5 moves to the image side.
- the sixth lens group G6 is fixed at the time of zooming from the wide-angle end to the telephoto end at the time of imaging.
- the distance between the first lens group G1 and the second lens group G2 increases, and the distance between the second lens group G2 and the third lens group G3 decreases, and the third lens group G3 and the fourth lens
- Each lens group is arranged such that the distance between the fourth lens group G4 and the fifth lens group G5 is increased and the distance between the fifth lens group G5 and the sixth lens group G6 is decreased. Moves along the optical axis.
- the fourth lens group G4 moves to the image side along the optical axis.
- the zoom lens system can correct the image point movement due to the vibration of the entire system by the image blur correcting lens element. That is, the zoom lens system can optically correct blurring of an image due to camera shake, vibration or the like.
- FIG. 4 shows the imaging optical system according to the first embodiment.
- the zoom lens system includes, in order from the object side to the image side, a first lens group G1 having positive power, a second lens group G2 having negative power, and a third lens group G3 having positive power.
- the fourth lens group G4 having a negative power
- the fifth lens group G5 having a positive power
- the sixth lens group G6 having a negative power
- the parallel plate P the parallel plate P.
- the zoom lens system forms an image at the position of the image plane S.
- the first lens unit G1 includes, in order from the object side to the image side, a first lens element L1 having negative power, a second lens element L2 having positive power, and a third lens element L3 having positive power. Be done.
- the first lens element L1 and the second lens element L2 are cemented lenses bonded with an adhesive or the like.
- the second lens unit G2 includes, in order from the object side to the image side, a fourth lens element L4 having a negative power, a fifth lens element L5 having a negative power, and a sixth lens element L6 having a positive power. Be done.
- the third lens unit G3 includes, in order from the object side to the image side, an aperture A, a seventh lens element L7 having a positive power, an eighth lens element L8 having a positive power, and a ninth lens having a negative power.
- An element L9 is configured of a tenth lens element L10 having positive power.
- the eighth lens element L8 and the ninth lens element L9 are cemented lenses bonded with an adhesive or the like.
- the fourth lens unit G4 is a single lens and is composed of an eleventh lens element L11 having a negative power.
- the fifth lens unit G5 is a single lens and is composed of a twelfth lens element L12 having a positive power.
- the sixth lens unit G6 is a single lens and is composed of a thirteenth lens element L13 having a negative power.
- the lens elements in the first lens unit G1 will be described.
- the first lens element L1 is a concave meniscus lens having a convex surface on the object side.
- the second lens element L2 is a biconvex lens.
- the third lens element L3 is a convex meniscus lens having a convex surface on the object side.
- the lens elements in the second lens unit G2 will be described.
- the fourth lens element L4 is a concave meniscus lens having a convex surface on the object side, and has an aspheric shape on the object side and the image side.
- the fifth lens element L5 is a biconcave lens, and has an aspheric shape on the object side and the image side.
- the sixth lens element L6 is a biconvex lens.
- the lens elements in the third lens unit G3 will be described.
- the seventh lens element L7 is a convex meniscus lens having a convex surface on the object side, and has an aspheric shape on the object side and the image side.
- the eighth lens element L8 is a biconvex lens.
- the ninth lens element L9 is a biconcave lens.
- the tenth lens element L10 is a biconvex lens, and has an aspheric shape on the image side.
- the eleventh lens element L11 is a concave meniscus lens having a convex surface on the object side, and has an aspheric shape on the object side and the image side.
- the lens elements in the fifth lens unit G5 will be described.
- the twelfth lens element L12 is a convex meniscus lens having a concave surface on the object side, and has an aspheric shape on the object side and the image side.
- the lens element in the sixth lens unit G6 will be described.
- the thirteenth lens element L13 is a concave meniscus lens having a concave surface on the object side, and has an aspheric shape on the object side and the image side.
- the first lens group G1, the third lens group G3, and the fourth lens group G4 move to the object side during zooming from the wide-angle end to the telephoto end during imaging.
- the second lens group G2 moves so as to draw a convex locus on the image side
- the fifth lens group G5 moves to the image side.
- the sixth lens group G6 is fixed at the time of zooming from the wide-angle end to the telephoto end at the time of imaging.
- the distance between the first lens group G1 and the second lens group G2 increases, and the distance between the second lens group G2 and the third lens group G3 decreases, and the third lens group G3 and the fourth lens
- Each lens group is arranged such that the distance between the fourth lens group G4 and the fifth lens group G5 is increased and the distance between the fifth lens group G5 and the sixth lens group G6 is decreased. Moves along the optical axis.
- the fourth lens group G4 moves to the image side along the optical axis.
- the zoom lens system can correct the image point movement due to the vibration of the entire system by the image blur correcting lens element. That is, the zoom lens system can optically correct blurring of an image due to camera shake, vibration or the like.
- FIG. 7 shows an imaging optical system according to the third embodiment.
- the zoom lens system includes, in order from the object side to the image side, a first lens group G1 having positive power, a second lens group G2 having negative power, and a third lens group G3 having positive power.
- the fourth lens group G4 having a negative power
- the fifth lens group G5 having a positive power
- the sixth lens group G6 having a negative power
- the parallel plate P the parallel plate P.
- the zoom lens system forms an image at the position of the image plane S.
- the first lens unit G1 includes, in order from the object side to the image side, a first lens element L1 having negative power, a second lens element L2 having positive power, and a third lens element L3 having positive power. Be done.
- the first lens element L1 and the second lens element L2 are cemented lenses bonded with an adhesive or the like.
- the second lens unit G2 includes, in order from the object side to the image side, a fourth lens element L4 having a negative power, a fifth lens element L5 having a negative power, and a sixth lens element L6 having a positive power. Be done.
- the third lens unit G3 includes, in order from the object side to the image side, an aperture A, a seventh lens element L7 having a positive power, an eighth lens element L8 having a positive power, and a ninth lens having a negative power.
- An element L9 is configured of a tenth lens element L10 having positive power.
- the eighth lens element L8 and the ninth lens element L9 are cemented lenses bonded with an adhesive or the like.
- the fourth lens unit G4 is a single lens and is composed of an eleventh lens element L11 having a negative power.
- the fifth lens unit G5 is a single lens and is composed of a twelfth lens element L12 having a positive power.
- the sixth lens unit G6 is a single lens and is composed of a thirteenth lens element L13 having a negative power.
- the lens elements in the first lens unit G1 will be described.
- the first lens element L1 is a concave meniscus lens having a convex surface on the object side.
- the second lens element L2 is a biconvex lens.
- the third lens element L3 is a convex meniscus lens having a convex surface on the object side.
- the lens elements in the second lens unit G2 will be described.
- the fourth lens element L4 is a concave meniscus lens having a convex surface on the object side, and has an aspheric shape on the object side and the image side.
- the fifth lens element L5 is a biconcave lens.
- the sixth lens element L6 is a biconvex lens.
- the lens elements in the third lens unit G3 will be described.
- the seventh lens element L7 is a convex meniscus lens having a convex surface on the object side, and has an aspheric shape on the object side and the image side.
- the eighth lens element L8 is a biconvex lens.
- the ninth lens element L9 is a biconcave lens.
- the tenth lens element L10 is a biconvex lens, and has an aspheric shape on the object side and the image side.
- the eleventh lens element L11 is a concave meniscus lens having a convex surface on the object side, and has an aspheric shape on the object side and the image side.
- the lens elements in the fifth lens unit G5 will be described.
- the twelfth lens element L12 is a convex meniscus lens having a concave surface on the object side, and has an aspheric shape on the object side and the image side.
- the lens element in the sixth lens unit G6 will be described.
- the thirteenth lens element L13 is a concave meniscus lens having a concave surface on the object side, and has an aspheric shape on the object side and the image side.
- the first lens group G1, the third lens group G3, and the fourth lens group G4 move to the object side during zooming from the wide-angle end to the telephoto end during imaging.
- the second lens group G2 moves so as to draw a convex locus on the image side
- the fifth lens group G5 moves to the image side.
- the sixth lens group G6 is fixed at the time of zooming from the wide-angle end to the telephoto end at the time of imaging.
- the distance between the first lens group G1 and the second lens group G2 increases, and the distance between the second lens group G2 and the third lens group G3 decreases, and the third lens group G3 and the fourth lens
- Each lens group is arranged such that the distance between the fourth lens group G4 and the fifth lens group G5 is increased and the distance between the fifth lens group G5 and the sixth lens group G6 is decreased. Moves along the optical axis.
- the fourth lens group G4 moves to the image side along the optical axis.
- the zoom lens system can correct the image point movement due to the vibration of the entire system by the image blur correcting lens element. That is, the zoom lens system can optically correct blurring of an image due to camera shake, vibration or the like.
- FIG. 10 shows an imaging optical system according to the fourth embodiment.
- the zoom lens system includes, in order from the object side to the image side, a first lens group G1 having positive power, a second lens group G2 having negative power, and a third lens group G3 having positive power.
- the fourth lens group G4 having a negative power
- the fifth lens group G5 having a positive power
- the sixth lens group G6 having a negative power
- the parallel plate P the parallel plate P.
- the zoom lens system forms an image at the position of the image plane S.
- the first lens unit G1 includes, in order from the object side to the image side, a first lens element L1 having negative power, a second lens element L2 having positive power, and a third lens element L3 having positive power. Be done.
- the first lens element L1 and the second lens element L2 are cemented lenses bonded with an adhesive or the like.
- the second lens unit G2 includes, in order from the object side to the image side, a fourth lens element L4 having a negative power, a fifth lens element L5 having a negative power, and a sixth lens element L6 having a positive power. Be done.
- the third lens unit G3 includes, in order from the object side to the image side, an aperture A, a seventh lens element L7 having a positive power, an eighth lens element L8 having a positive power, and a ninth lens having a negative power.
- An element L9 is configured of a tenth lens element L10 having positive power.
- the eighth lens element L8 and the ninth lens element L9 are cemented lenses bonded with an adhesive or the like.
- the fourth lens unit G4 is a single lens and is composed of an eleventh lens element L11 having a negative power.
- the fifth lens unit G5 is a single lens and is composed of a twelfth lens element L12 having a positive power.
- the sixth lens unit G6 is a single lens and is composed of a thirteenth lens element L13 having a negative power.
- the lens elements in the first lens unit G1 will be described.
- the first lens element L1 is a concave meniscus lens having a convex surface on the object side.
- the second lens element L2 is a concave meniscus lens having a convex surface on the object side.
- the third lens element L3 is a convex meniscus lens having a convex surface on the object side.
- the lens elements in the second lens unit G2 will be described.
- the fourth lens element L4 is a biconcave lens, and has an aspheric shape on the object side and the image side.
- the fifth lens element L5 is a biconcave lens.
- the sixth lens element L6 is a biconvex lens.
- the lens elements in the third lens unit G3 will be described.
- the seventh lens element L7 is a convex meniscus lens having a convex surface on the object side, and has an aspheric shape on the object side and the image side.
- the eighth lens element L8 is a biconvex lens.
- the ninth lens element L9 is a concave meniscus lens having a concave surface on the object side.
- the tenth lens element L10 is a convex meniscus lens having a concave surface on the object side, and has an aspheric shape on the object side and the image side.
- the eleventh lens element L11 is a concave meniscus lens having a convex surface on the object side, and has an aspheric shape on the object side and the image side.
- the lens elements in the fifth lens unit G5 will be described.
- the twelfth lens element L12 is a convex meniscus lens having a concave surface on the object side, and has an aspheric shape on the object side and the image side.
- the lens element in the sixth lens unit G6 will be described.
- the thirteenth lens element L13 is a concave meniscus lens having a concave surface on the object side, and has an aspheric shape on the object side and the image side.
- the first lens group G1, the third lens group G3, and the fourth lens group G4 move to the object side during zooming from the wide-angle end to the telephoto end during imaging.
- the second lens group G2 moves so as to draw a convex locus on the image side
- the fifth lens group G5 moves to the image side.
- the sixth lens group G6 is fixed at the time of zooming from the wide-angle end to the telephoto end at the time of imaging.
- the distance between the first lens group G1 and the second lens group G2 increases, and the distance between the second lens group G2 and the third lens group G3 decreases, and the third lens group G3 and the fourth lens
- Each lens group is arranged such that the distance between the fourth lens group G4 and the fifth lens group G5 is increased and the distance between the fifth lens group G5 and the sixth lens group G6 is decreased. Moves along the optical axis.
- the fourth lens group G4 moves to the image side along the optical axis.
- the zoom lens system can correct the image point movement due to the vibration of the entire system by the image blur correcting lens element. That is, the zoom lens system can optically correct blurring of an image due to camera shake, vibration or the like.
- FIG. 14 shows an imaging optical system according to the fifth embodiment.
- the zoom lens system includes, in order from the object side to the image side, a first lens group G1 having positive power, a second lens group G2 having negative power, and a third lens group G3 having positive power.
- the fourth lens group G4 having a negative power
- the fifth lens group G5 having a positive power
- the sixth lens group G6 having a negative power
- the parallel plate P the parallel plate P.
- the zoom lens system forms an image at the position of the image plane S.
- the first lens unit G1 includes, in order from the object side to the image side, a first lens element L1 having negative power, a second lens element L2 having positive power, and a third lens element L3 having positive power. Be done.
- the first lens element L1 and the second lens element L2 are cemented lenses bonded with an adhesive or the like.
- the second lens unit G2 includes, in order from the object side to the image side, a fourth lens element L4 having a negative power, a fifth lens element L5 having a negative power, and a sixth lens element L6 having a positive power. Be done.
- the third lens unit G3 includes, in order from the object side to the image side, an aperture A, a seventh lens element L7 having a positive power, an eighth lens element L8 having a positive power, and a ninth lens having a negative power.
- An element L9 is configured of a tenth lens element L10 having positive power.
- the eighth lens element L8 and the ninth lens element L9 are cemented lenses bonded with an adhesive or the like.
- the fourth lens unit G4 is a single lens and is composed of an eleventh lens element L11 having a negative power.
- the fifth lens unit G5 is composed of, in order from the object side to the image side, a twelfth lens element L12 having a positive power, and a thirteenth lens element L13 having a positive power.
- the sixth lens unit G6 is a single lens and is composed of a fourteenth lens element L14 having a negative power.
- the lens elements in the first lens unit G1 will be described.
- the first lens element L1 is a concave meniscus lens having a convex surface on the object side.
- the second lens element L2 is a biconvex lens.
- the third lens element L3 is a convex meniscus lens having a convex surface on the object side.
- the lens elements in the second lens unit G2 will be described.
- the fourth lens element L4 is a biconcave lens, and has an aspheric shape on the object side and the image side.
- the fifth lens element L5 is a biconcave lens, and has an aspheric shape on the object side and the image side.
- the sixth lens element L6 is a biconvex lens.
- the lens elements in the third lens unit G3 will be described.
- the seventh lens element L7 is a convex meniscus lens having a convex surface on the object side, and has an aspheric shape on the object side and the image side.
- the eighth lens element L8 is a biconvex lens.
- the ninth lens element L9 is a biconcave lens.
- the tenth lens element L10 is a biconvex lens, and has an aspheric shape on the object side and the image side.
- the eleventh lens element L11 is a concave meniscus lens having a convex surface on the object side, and has an aspheric shape on the object side and the image side.
- the lens elements in the fifth lens unit G5 will be described.
- the twelfth lens element L12 is a convex meniscus lens having a concave surface on the object side, and has an aspheric shape on the object side and the image side.
- the thirteenth lens element L13 is a convex meniscus lens having a concave surface on the object side, and has an aspheric shape on the object side and the image side.
- the fourteenth lens element L14 is a concave meniscus lens having a concave surface on the object side, and has an aspheric shape on the object side and the image side.
- the first lens group G1, the third lens group G3, and the fourth lens group G4 move to the object side during zooming from the wide-angle end to the telephoto end during imaging.
- the second lens group G2 moves so as to draw a convex locus on the image side
- the fifth lens group G5 moves to the image side.
- the sixth lens group G6 is fixed at the time of zooming from the wide-angle end to the telephoto end at the time of imaging.
- the distance between the first lens group G1 and the second lens group G2 increases, and the distance between the second lens group G2 and the third lens group G3 decreases, and the third lens group G3 and the fourth lens
- Each lens group is arranged such that the distance between the fourth lens group G4 and the fifth lens group G5 is increased and the distance between the fifth lens group G5 and the sixth lens group G6 is decreased. Moves along the optical axis.
- the fourth lens group G4 moves to the image side along the optical axis.
- the zoom lens system can correct the image point movement due to the vibration of the entire system by the image blur correcting lens element. That is, the zoom lens system can optically correct blurring of an image due to camera shake, vibration or the like.
- Embodiments 1 to 5 have been described as examples of the technology disclosed in the present application. However, the technology in the present disclosure is not limited to this, and is also applicable to embodiments in which changes, replacements, additions, omissions, and the like are appropriately made.
- the number of lens groups and the number of lens elements in the lens group are substantial numbers, and lenses having substantially no power may be added.
- lens elements of the third lens unit G3 are used as the front image blur correction lens element, part of lens elements of the third lens unit G3 may be used.
- image blur correction is performed by moving the image blur correction lens element in the direction perpendicular to the optical axis, if the movement method is moved so as to have a component in the vertical direction, it is possible to correct the image blur. is there.
- the image blur correction may be performed by rotating the image blur correction lens element so that the rotation center is on the optical axis.
- the stop may be provided on the most image side of the third lens group.
- the stop may be provided between any two lens elements of the third lens unit.
- the stop may be located at a position where it moves together with the third lens unit during zooming.
- the zoom lens system according to Embodiments 1 to 5 includes, in order from the object side to the image side, a first lens group G1 having positive power, a second lens group G2 having negative power, and a positive power. And a fourth lens group G4 having a negative power, a fifth lens group G5 having a positive power, and a sixth lens group having a power. Each group interval changes during zooming from the wide-angle end to the telephoto end.
- the fifth lens unit G5 includes two or less lens elements, and includes at least one convex meniscus lens element having a concave surface facing the object side.
- ⁇ 2T lateral magnification of the second lens group G2 at the telephoto end
- ⁇ 2W lateral magnification of the second lens group G2 at the wide angle end It is.
- the condition (1) is a condition for defining the ratio of the lateral magnification of the second lens group G2 at the telephoto end to the lateral magnification of the second lens group G2 at the wide angle end.
- the value goes below the lower limit of the condition (1), the amount of movement of the second lens group G2 becomes too large during zooming from the wide-angle end to the telephoto end, which makes it difficult to provide a compact lens barrel and imaging device .
- the value exceeds the upper limit of the condition (1) the lateral magnification of the second lens group G2 at the telephoto end becomes too large, which makes it difficult to correct various aberrations, in particular, curvature of field.
- the above-mentioned effect can be achieved more successfully by satisfying one or both of the following conditions (1c) and (1d).
- ⁇ 4T lateral magnification of the fourth lens group G4 at the telephoto end
- ⁇ 4W lateral magnification of the fourth lens group G4 at the wide angle end
- the condition (2) is a condition for defining the ratio of the lateral magnification of the fourth lens group G4 at the telephoto end to the lateral magnification of the fourth lens group G4 at the wide angle end.
- the value goes below the lower limit of the condition (2), the amount of movement of the fourth lens unit G4 becomes too large during zooming from the wide-angle end to the telephoto end, which makes it difficult to provide a compact lens barrel and imaging device .
- the value exceeds the upper limit of the condition (2) the lateral magnification of the fourth lens group G4 at the telephoto end becomes too large, which makes it difficult to correct various aberrations, in particular, curvature of field.
- the above effect can be achieved more successfully by satisfying one or both of the following conditions (2c) and (2d).
- LT total optical length at telephoto end
- fT focal length at telephoto end
- the condition (3) is a condition for defining the ratio of the optical total length at the telephoto end to the focal length.
- fT focal length at telephoto end
- fW focal length at the wide-angle end
- the condition (4) is a condition for defining the ratio of the focal length at the telephoto end to the focal length at the wide angle end.
- the fourth lens unit G4 be configured of one lens element.
- the whole or a part of the third lens group G3 is moved so as to have a component in the direction perpendicular to the optical axis at the time of image blur correction.
- the lens diameter can be reduced, and the size and weight of the image blur correcting lens unit can be reduced. Therefore, the image blur correcting lens group can be driven by a simple drive mechanism.
- the drive mechanism of the image blur correcting lens unit can be further simplified.
- the stop A be provided in the third lens group G3.
- the lens barrel configuration can be simplified, and the lens barrel can be miniaturized.
- FIG. 16 is a schematic configuration diagram of a digital camera 50 to which the zoom lens system according to the first embodiment is applied. It is also possible to apply the zoom lens according to the second to fifth embodiments.
- the digital camera 50 includes a housing 40, a zoom lens system 10 including an imaging device 20, and a monitor 30.
- the imaging element 20 is disposed at the position of the image plane S of the zoom lens system 10.
- an actuator or a lens is moved so that all the lens units from the first lens unit G1 to the sixth lens unit G6 move along the optical axis during zooming.
- the frame is configured.
- Z distance from a point on the aspheric surface at a height of h from the optical axis to the tangent plane of the aspheric vertex
- h height from the optical axis
- r vertex radius of curvature
- ⁇ conic constant
- An n-th order aspheric coefficient.
- FIGS. 2, 5, 8, 11, and 14 are longitudinal aberration diagrams of an imaging optical system at infinity focusing according to the first to fifth embodiments, respectively.
- each longitudinal aberration diagram shows the wide-angle end, (b) shows the intermediate position, and (c) shows the aberration at the telephoto end.
- Each longitudinal aberration figure shows spherical aberration (SA (mm)), astigmatism (AST (mm)), and distortion (DIS (%)) sequentially from the left side.
- the vertical axis represents the f-number (indicated by F in the figure)
- the solid line represents d-line
- the short broken line represents f-line
- the long broken line represents c-line (C- line) characteristics.
- the vertical axis represents the image height (indicated by H in the figure)
- the solid line represents the sagittal plane (indicated by s in the figure)
- the broken line represents the characteristics of the meridional plane (indicated by m in the figure). is there.
- the vertical axis represents the image height (indicated by H in the figure).
- FIGS. 3, 6, 9, 12 and 15 are lateral aberration diagrams of the imaging optical system at the telephoto end according to Embodiments 1 to 5, respectively.
- each lateral aberration diagram the upper three aberration diagrams show the basic state without image blur correction at the telephoto end, and the lower three aberration diagrams show the image blur correction lens unit moved a predetermined amount in the direction perpendicular to the optical axis.
- the upper row shows the lateral aberration at the image point of 70% of the maximum image height
- the middle row shows the lateral aberration at the axial image point
- the lower row shows the horizontal aberration at the image point of -70% of the maximum image height Correspond to each.
- the upper stage shows the lateral aberration at the image point of 70% of the maximum image height
- the middle stage shows the lateral aberration at the axial image point
- the lower stage shows the image point at -70% of the maximum image height
- the horizontal axis represents the distance from the chief ray on the pupil plane
- the solid line represents d-line
- the short broken line represents F-line
- the long broken line represents C-line C-line) characteristics.
- the meridional plane is a plane including the optical axis of the third lens group G3 (Embodiments 1 to 5) of the first lens group G1.
- the amount of movement of the image blur compensating lens unit in the direction perpendicular to the optical axis in the image blur compensation state at the telephoto end is as follows.
- the image eccentricity amount when the imaging optical system is inclined by 0.4 degrees at the telephoto end when the imaging distance is ⁇ is the image when the image blur correcting lens unit moves in parallel in the direction perpendicular to the optical axis by the above values. Equal to the amount of eccentricity.
- the symmetry of the lateral aberration at the on-axis image point is good.
- the degree of curvature is small and the inclination of the aberration curve is almost equal. It can be seen that the aberration is small. This means that sufficient imaging performance is obtained even in the image blur correction state.
- the image blur correction angle of the imaging optical system is the same, as the focal length of the entire imaging optical system becomes shorter, the amount of translation required for the image blurring correction decreases. Therefore, at any zoom position, it is possible to perform sufficient image blur correction for the image blur correction angle of about 0.4 ° without degrading the imaging characteristics.
- the imaging optical system of the numerical value example 1 corresponds to the first embodiment shown in FIG.
- Table 1 shows surface data of the image pickup optical system of Numerical Example 1.
- Table 2 shows aspheric surface data.
- Table 3A to Table 3D show various data in the infinity focusing state.
- the imaging optical system of the numerical value example 2 corresponds to the second embodiment shown in FIG.
- Table 4 shows the surface data of the imaging optical system of Numerical Example 2;
- Table 5 shows the aspheric surface data;
- Table 6A to Table 6D show various data in the infinity focusing state.
- the imaging optical system of the numerical value example 3 corresponds to the third embodiment shown in FIG.
- Table 7 shows the surface data of the imaging optical system of Numerical Example 3
- Table 8 shows the aspheric surface data
- Table 9A to Table 9D show various data in the infinity focusing state.
- the imaging optical system of the numerical value example 4 corresponds to the fourth embodiment shown in FIG.
- Table 10 shows the surface data of the imaging optical system of Numerical Example 4 and Table 11 shows the aspheric surface data, and Table 12A to Table 12D show various data in the infinity focusing state.
- the imaging optical system of the numerical value example 5 corresponds to the fifth embodiment shown in FIG.
- Table 13 shows the surface data of the image pickup optical system of Numerical Embodiment 5
- Table 14 shows the aspheric surface data
- Table 15A to Table 15D show various data in the infinity focusing state.
- the imaging optical system includes a digital still camera, an interchangeable lens digital camera, a digital video camera, a camera of a mobile phone device, a camera of a PDA (Personal Digital Assistance), a surveillance camera in a surveillance system, a web camera, an in-vehicle camera, etc.
- the present invention is suitable for photographing optical systems that require high image quality such as digital still camera systems and digital video camera systems.
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Abstract
Description
図1、図4、図7、図10、図13は、各々実施の形態1~5に係る撮像光学系のレンズ配置図であり、いずれも無限遠合焦状態にある撮像光学系を表している。
図1は、実施の形態1に係る撮像光学系を表している。
図4は、実施の形態1に係る撮像光学系を表している。
図7は、実施の形態3に係る撮像光学系を表している。
図10は、実施の形態4に係る撮像光学系を表している。
図14は、実施の形態5に係る撮像光学系を表している。
以上のように、本出願において開示する技術の例示として、実施の形態1から5を説明した。しかしながら、本開示における技術は、これに限定されず、適宜、変更、置き換え、付加、省略などを行った実施の形態にも適用可能である。
以下、例えば実施の形態1から5に係る撮像光学系が満足することが可能な条件を説明する。なお、実施の形態1から5に係る撮像光学系に対して、複数の可能な条件が規定されるが、これら複数の条件すべてを満足する撮像光学系の構成が最も効果的である。しかしながら、個別の条件を満足することにより、それぞれ対応する効果を奏する撮像光学系を得ることも可能である。
ここで、
β2T:望遠端における第2レンズ群G2の横倍率、
β2W:広角端における第2レンズ群G2の横倍率、
である。
|β2T / β2W| < 6.0 ・・・(1b)
|β2T / β2W| < 5.0 ・・・(1d)
ここで、
β4T:望遠端における第4レンズ群G4の横倍率、
β4W:広角端における第4レンズ群G4の横倍率、
である。
|β4T / β4W| < 3.0 ・・・(2b)
|β4T / β4W| < 2.0 ・・・(2d)
ここで、
LT:望遠端における光学全長、
fT:望遠端における焦点距離、
である。
ここで、
fT:望遠端における焦点距離、
fW:広角端における焦点距離、
である。
図16は、本実施の形態1に係るズームレンズ系を適用したデジタルカメラ50の概略構成図である。なお、本実施の形態2から5に係るズームレンズを適用することも可能である。
以下、実施の形態1から6に係るズームレンズ系を具体的に実施した数値実施例を説明する。なお、各数値実施例において、表中の長さの単位はすべて「mm」であり、画角の単位はすべて「°」である。また、各数値実施例において、rは曲率半径、dは面間隔、ndはd線に対する屈折率、νdはd線に対するアッベ数である。また、各数値実施例において、*印を付した面は非球面であり、非球面形状は次式で定義している。
Z:光軸からの高さがhの非球面上の点から、非球面頂点の接平面までの距離、
h:光軸からの高さ、
r:頂点曲率半径、
κ:円錐定数、
An:n次の非球面係数
である。
数値実施例2 0.193mm
数値実施例3 0.221mm
数値実施例4 0.221mm
数値実施例5 0.194mm
数値実施例1の撮像光学系は、図1に示した実施の形態1に対応する。数値実施例1の撮像光学系の面データを表1に、非球面データを表2に、無限遠合焦状態での各種データを表3A~表3Dに示す。
面番号 r d nd vd
物面 ∞
1 65.08220 0.75000 1.90055 29.3
2 33.24520 3.32000 1.60051 62.5
3 447.82500 0.15000
4 35.22300 2.67000 1.60719 61.8
5 194.55250 可変
6* 20715.61420 0.70000 1.85008 40.9
7* 9.70360 4.52670
8 -17.68630 0.50000 1.78527 45.1
9 65.68980 0.15000
10 29.34160 1.74000 1.94595 18.0
11 -68.61040 可変
12(絞り) ∞ 1.00000
13* 12.69490 1.61000 1.85343 40.5
14* 29.59820 0.25000
15 8.14880 3.03000 1.49700 81.6
16 -34.16460 0.50000 1.80760 33.4
17 9.75510 0.76670
18 15.66100 1.71000 1.56015 67.2
19* -21.15820 可変
20* 25.63760 0.60000 1.77010 49.8
21* 10.64500 可変
22* -71.48740 2.64000 1.53380 55.6
23* -11.99110 可変
24* -10.43400 1.75000 1.53380 55.6
25* -14.85310 0.15000
26 ∞ 0.90000 1.51680 64.2
27 ∞ 2.18000
28 ∞ BF
像面 ∞
第6面
K= 0.00000E+00, A4=-6.60517E-06, A6= 5.65030E-07, A8=-6.07822E-09
A10= 1.75035E-11
第7面
K=-6.33768E-01, A4= 6.54945E-05, A6= 1.60098E-07, A8= 4.87956E-08
A10=-4.36918E-10
第13面
K= 0.00000E+00, A4= 1.62681E-04, A6= 2.53177E-06, A8=-3.34183E-08
A10= 8.58050E-10
第14面
K= 0.00000E+00, A4= 2.05939E-04, A6= 2.03376E-06, A8=-6.76225E-08
A10= 6.36899E-10
第19面
K= 0.00000E+00, A4= 2.98056E-04, A6= 4.78127E-06, A8= 1.02203E-07
A10= 4.28923E-09
第20面
K= 0.00000E+00, A4=-6.16064E-04, A6= 3.69186E-05, A8=-8.17055E-07
A10= 2.21718E-09
第21面
K= 0.00000E+00, A4=-6.86454E-04, A6= 4.13899E-05, A8=-1.00486E-06
A10= 5.35241E-09
第22面
K= 0.00000E+00, A4=-1.66930E-04, A6=-3.25429E-06, A8= 1.96793E-08
A10= 2.61562E-10
第23面
K=-1.39681E+00, A4= 4.12808E-05, A6=-3.60205E-06, A8= 1.53315E-08
A10= 2.56461E-10
第24面
K= 0.00000E+00, A4= 9.42408E-04, A6=-9.58525E-06, A8= 6.60944E-08
A10= 1.03031E-10
第25面
K= 0.00000E+00, A4= 4.27163E-04, A6=-5.17137E-06, A8=-9.67724E-10
A10= 4.20135E-10
(表3A:各種データ)
ズーム比 14.43726
広角 中間 望遠
焦点距離 9.0014 34.1094 129.9556
Fナンバー 3.42002 5.16673 6.63031
画角 40.8920 12.9052 3.4325
像高 6.6000 7.8000 7.4000
レンズ全長 70.9780 84.2540 104.9768
BF 0.01911 0.07727 -0.01236
d5 0.5000 15.2050 33.9883
d11 23.3802 8.1522 1.0000
d19 3.3488 7.0507 5.1752
d21 7.3850 19.4629 32.2323
d23 4.7515 2.7125 1.0000
入射瞳位置 15.7443 44.3227 153.2295
射出瞳位置 -36.0090 -125.0505 2461.5750
前側主点位置 22.4967 69.1340 290.0460
後側主点位置 61.9766 50.1446 -24.9788
レンズ 始面 焦点距離
1 1 -76.3174
2 2 59.6215
3 4 70.3887
4 6 -11.4205
5 8 -17.6982
6 10 21.9160
7 13 24.9526
8 15 13.5609
9 16 -9.3487
10 18 16.3389
11 20 -24.0562
12 22 26.5805
13 24 -76.2003
群 始面 焦点距離 レンズ構成長 前側主点位置 後側主点位置
1 1 57.01881 6.89000 1.43824 4.03128
2 6 -10.21128 7.61670 0.51214 1.79449
3 12 13.79533 8.86670 1.54490 3.69539
4 20 -24.05620 0.60000 0.58990 0.84493
5 22 26.58049 2.64000 2.03666 2.98162
6 24 -76.20026 2.80000 -3.12456 -2.39125
群 始面 広角 中間 望遠
1 1 0.00000 0.00000 0.00000
2 6 -0.23782 -0.36170 -1.08074
3 12 -0.46619 -0.88270 -0.87208
4 20 1.85911 2.20786 2.62433
5 22 0.69819 0.77308 0.84031
6 24 1.09699 1.09775 1.09657
数値実施例2の撮像光学系は、図4に示した実施の形態2に対応する。数値実施例2の撮像光学系の面データを表4に、非球面データを表5に、無限遠合焦状態での各種データを表6A~表6Dに示す。
面番号 r d nd vd
物面 ∞
1 79.09630 0.75000 1.90037 29.4
2 38.73000 3.32000 1.59075 63.7
3 -1766.73980 0.15000
4 37.87980 2.67000 1.59288 63.4
5 183.79770 可変
6* 600.20690 0.70000 1.84702 41.2
7* 9.73850 4.56320
8* -17.49850 0.50000 1.77354 45.8
9* 87.35140 0.15400
10 32.61940 1.74000 1.94595 18.0
11 -62.96600 可変
12(絞り) ∞ 1.00000
13* 12.62280 1.61000 1.85343 40.5
14* 29.24210 0.25000
15 8.08830 3.03000 1.49710 81.6
16 -36.40950 0.50000 1.80612 33.3
17 9.60950 0.76440
18 15.27650 1.71000 1.55625 68.7
19* -21.50980 可変
20* 22.92530 0.60000 1.77010 49.8
21* 10.26280 可変
22* -92.38840 2.64000 1.53380 55.6
23* -12.48680 可変
24* -10.64130 1.75000 1.53380 55.6
25* -15.95980 0.15000
26 ∞ 0.90000 1.51680 64.2
27 ∞ 2.18000
28 ∞ BF
像面 ∞
第6面
K= 0.00000E+00, A4=-3.08046E-05, A6= 1.09794E-06, A8=-1.16733E-08
A10= 3.52112E-11
第7面
K=-7.07767E-01, A4= 5.25522E-05, A6= 5.05807E-07, A8= 5.56733E-08
A10=-4.40772E-10
第8面
K= 0.00000E+00, A4= 1.61694E-05, A6= 4.64672E-07, A8= 3.71509E-09
A10=-8.32172E-11
第9面
K= 0.00000E+00, A4= 4.29794E-06, A6= 3.47953E-07, A8=-2.95727E-09
A10=-9.22582E-11
第13面
K= 0.00000E+00, A4= 1.60246E-04, A6= 2.59696E-06, A8=-3.45371E-08
A10= 8.91632E-10
第14面
K= 0.00000E+00, A4= 2.07279E-04, A6= 1.99945E-06, A8=-6.43416E-08
A10= 6.03259E-10
第19面
K= 0.00000E+00, A4= 3.04278E-04, A6= 5.15183E-06, A8= 8.87917E-08
A10= 4.85671E-09
第20面
K= 0.00000E+00, A4=-6.11168E-04, A6= 3.60432E-05, A8=-8.32854E-07
A10= 3.79052E-09
第21面
K= 0.00000E+00, A4=-6.90002E-04, A6= 4.02663E-05, A8=-1.02289E-06
A10= 7.34110E-09
第22面
K= 0.00000E+00, A4=-2.19898E-04, A6=-3.07757E-06, A8= 2.59417E-08
A10= 2.24241E-10
第23面
K=-9.09278E-01, A4= 1.05981E-05, A6=-3.11392E-06, A8= 1.71146E-08
A10= 2.43759E-10
第24面
K= 0.00000E+00, A4= 9.65097E-04, A6=-9.88726E-06, A8= 6.27166E-08
A10= 1.10268E-10
第25面
K= 0.00000E+00, A4= 4.46752E-04, A6=-5.67440E-06, A8=-5.08062E-09
A10= 4.55234E-10
(表6A:各種データ)
ズーム比 13.88428
広角 中間 望遠
焦点距離 9.0017 33.5403 124.9822
Fナンバー 3.41979 5.11297 6.62962
画角 40.8791 13.1238 3.5766
像高 6.6000 7.8000 7.4000
レンズ全長 71.2403 84.1787 107.9961
BF 0.00971 0.06689 0.00395
d5 0.5000 15.8269 36.8728
d11 23.5338 7.5997 1.0000
d19 2.7215 6.8025 5.0647
d21 8.0263 19.4219 32.4231
d23 4.8174 2.8292 1.0000
入射瞳位置 15.7225 43.4496 156.6855
射出瞳位置 -34.9345 -101.5159 -768.3912
前側主点位置 22.4053 65.9156 261.3389
後側主点位置 62.2386 50.6383 -16.9860
レンズ 始面 焦点距離
1 1 -85.0365
2 2 64.1978
3 4 79.9334
4 6 -11.6934
5 8 -18.8069
6 10 22.9184
7 13 24.9134
8 15 13.6213
9 16 -9.3859
10 18 16.3297
11 20 -24.6355
12 22 26.7404
13 24 -67.5571
群 始面 焦点距離 レンズ構成長 前側主点位置 後側主点位置
1 1 61.98287 6.89000 1.56620 4.13710
2 6 -10.64241 7.65720 0.45037 1.69002
3 12 13.75483 8.86440 1.51247 3.67233
4 20 -24.63547 0.60000 0.62661 0.88051
5 22 26.74037 2.64000 1.96757 2.90593
6 24 -67.55714 2.80000 -2.57806 -1.80992
群 始面 広角 中間 望遠
1 1 0.00000 0.00000 0.00000
2 6 -0.22341 -0.32938 -0.94478
3 12 -0.45428 -0.88900 -0.89190
4 20 1.87024 2.18519 2.59427
5 22 0.69517 0.76776 0.83811
6 24 1.10065 1.10150 1.10056
数値実施例3の撮像光学系は、図7に示した実施の形態3に対応する。数値実施例3の撮像光学系の面データを表7に、非球面データを表8に、無限遠合焦状態での各種データを表9A~表9Dに示す。
面番号 r d nd vd
物面 ∞
1 77.83500 0.75000 1.90117 28.3
2 38.97590 3.32000 1.59322 63.4
3 -1180.98660 0.15000
4 37.78270 2.67000 1.59354 63.4
5 178.92950 可変
6* 5062.75990 0.70000 1.84685 41.2
7* 10.22200 4.34430
8 -17.79240 0.50000 1.77186 45.9
9 56.40060 0.15420
10 29.38310 1.74000 1.94595 18.0
11 -71.82840 可変
12(絞り) ∞ 1.00000
13* 12.64820 1.61000 1.85343 40.5
14* 28.70590 0.25000
15 8.05230 3.03000 1.49700 81.6
16 -34.82220 0.50000 1.80691 34.3
17 9.64050 0.79810
18* 16.02510 1.71000 1.55266 69.3
19* -21.43470 可変
20* 24.25490 0.60000 1.77010 49.8
21* 10.75530 可変
22* -98.76370 2.64000 1.53380 55.6
23* -13.60120 可変
24* -10.15890 1.75000 1.53380 55.6
25* -13.90320 0.15000
26 ∞ 0.90000 1.51680 64.2
27 ∞ 2.18000
28 ∞ BF
像面 ∞
第6面
K= 0.00000E+00, A4=-1.66530E-05, A6= 1.02835E-06, A8=-1.17296E-08
A10= 3.88611E-11
第7面
K=-6.84288E-01, A4= 5.28234E-05, A6= 3.91720E-07, A8= 5.53385E-08
A10=-6.33609E-10
第13面
K= 0.00000E+00, A4= 1.61555E-04, A6= 2.56405E-06, A8=-3.36077E-08
A10= 9.06802E-10
第14面
K= 0.00000E+00, A4= 2.06339E-04, A6= 2.06506E-06, A8=-6.46020E-08
A10= 6.52851E-10
第18面
K= 0.00000E+00, A4=-1.20135E-07, A6=-5.13709E-10, A8=-2.83326E-11
A10=-5.50409E-12
第19面
K= 0.00000E+00, A4= 2.92914E-04, A6= 5.17412E-06, A8= 8.15855E-08
A10= 4.67697E-09
第20面
K= 0.00000E+00, A4=-6.22338E-04, A6= 3.53523E-05, A8=-8.53657E-07
A10= 3.74814E-09
第21面
K= 0.00000E+00, A4=-7.00283E-04, A6= 3.94650E-05, A8=-1.05220E-06
A10= 7.66896E-09
第22面
K= 0.00000E+00, A4=-2.32553E-04, A6=-3.55833E-06, A8= 1.82283E-08
A10= 3.54405E-10
第23面
K=-5.52315E-01, A4=-1.81199E-05, A6=-3.60568E-06, A8= 1.98546E-08
A10= 2.73953E-10
第24面
K= 0.00000E+00, A4= 9.76457E-04, A6=-9.93322E-06, A8= 6.34609E-08
A10= 1.46443E-10
第25面
K= 0.00000E+00, A4= 4.77887E-04, A6=-5.33137E-06, A8=-6.82304E-09
A10= 4.27275E-10
(表9A:各種データ)
ズーム比 14.73229
広角 中間 望遠
焦点距離 9.5016 36.4339 139.9810
Fナンバー 3.42003 5.36127 6.63016
画角 39.7843 12.3029 3.2276
像高 6.7000 7.9000 7.5000
レンズ全長 72.9673 86.5746 108.2545
BF 0.01517 0.08144 0.00071
d5 0.5000 16.3595 37.1796
d11 24.0549 8.0898 1.0000
d19 2.7695 7.5849 4.9492
d21 8.6490 19.9427 32.6349
d23 5.5321 3.0697 1.0435
入射瞳位置 15.9372 46.1397 171.4911
射出瞳位置 -37.8861 -110.4138 -730.3713
前側主点位置 23.0568 70.5602 284.6437
後側主点位置 63.4656 50.1407 -31.7265
レンズ 始面 焦点距離
1 1 -87.4304
2 2 63.6672
3 4 80.1318
4 6 -12.0958
5 8 -17.4720
6 10 22.2301
7 13 25.3250
8 15 13.4752
9 16 -9.3102
10 18 16.8660
11 20 -25.5879
12 22 29.2338
13 24 -84.3934
群 始面 焦点距離 レンズ構成長 前側主点位置 後側主点位置
1 1 60.42057 6.89000 1.53755 4.11249
2 6 -10.54452 7.43850 0.57541 1.88542
3 12 14.13323 8.89810 1.43273 3.60225
4 20 -25.58786 0.60000 0.62103 0.87538
5 22 29.23382 2.64000 1.97480 2.91196
6 24 -84.39337 2.80000 -3.69694 -3.00289
群 始面 広角 中間 望遠
1 1 0.00000 0.00000 0.00000
2 6 -0.22911 -0.34958 -1.12854
3 12 -0.47319 -0.93147 -0.86723
4 20 1.90198 2.16999 2.54253
5 22 0.69662 0.77896 0.85058
6 24 1.09477 1.09556 1.09460
数値実施例4の撮像光学系は、図10に示した実施の形態4に対応する。数値実施例4の撮像光学系の面データを表10に、非球面データを表11に、無限遠合焦状態での各種データを表12A~表12Dに示す。
面データ
面番号 r d nd vd
物面 ∞
1 73.15840 1.05770 1.90366 31.3
2 38.56220 4.27170 1.59282 68.6
3 14342.09940 0.15000
4 38.18270 3.15090 1.59282 68.6
5 165.54930 可変
6* -174.30820 0.70000 1.80998 40.9
7* 9.40530 4.70240
8 -25.72340 0.50000 1.83400 37.3
9 66.99810 0.16640
10 25.52910 2.00000 1.94595 18.0
11 -98.01450 可変
12(絞り) ∞ 1.00000
13* 11.96340 2.01630 1.80998 40.9
14* 28.01790 1.47190
15 204.17350 2.60880 1.49700 81.6
16 -6.81790 0.30000 1.80610 33.3
17 -20.25830 1.07940
18* -21.31630 1.51870 1.55332 71.7
19* -9.20340 可変
20* 19.77290 0.60000 1.77010 49.8
21* 10.75940 可変
22* -54.26150 3.80790 1.53380 55.6
23* -10.65900 可変
24* -10.63080 1.76160 1.53380 55.6
25* -25.33380 0.15000
26 ∞ 0.90000 1.51680 64.2
27 ∞ 2.18000
28 ∞ BF
像面 ∞
第6面
K= 0.00000E+00, A4= 6.51393E-06, A6= 5.14509E-07, A8=-6.86804E-09
A10= 2.42463E-11
第7面
K=-5.71429E-01, A4= 5.21358E-05, A6= 3.72183E-07, A8= 3.76208E-08
A10=-4.69665E-10
第13面
K= 0.00000E+00, A4= 1.82787E-04, A6= 3.97436E-06, A8= 1.30281E-08
A10= 4.07741E-09
第14面
K= 0.00000E+00, A4= 2.79661E-04, A6= 4.22249E-06, A8= 2.31159E-08
A10= 5.66638E-09
第18面
K= 0.00000E+00, A4=-2.35915E-05, A6=-7.16537E-07, A8=-1.91199E-08
A10=-5.37923E-09
第19面
K= 0.00000E+00, A4= 1.13243E-04, A6= 7.12985E-08, A8=-1.26835E-08
A10=-3.29054E-09
第20面
K= 0.00000E+00, A4=-6.64275E-04, A6= 3.05738E-05, A8=-9.60485E-07
A10= 1.84753E-08
第21面
K= 0.00000E+00, A4=-7.61401E-04, A6= 3.41358E-05, A8=-1.09105E-06
A10= 2.15502E-08
第22面
K= 0.00000E+00, A4=-2.29250E-04, A6=-1.16816E-06, A8= 6.63863E-08
A10=-3.57365E-10
第23面
K=-8.23433E-01, A4= 3.71099E-06, A6= 4.80031E-08, A8= 2.50297E-08
A10=-1.02852E-10
第24面
K= 0.00000E+00, A4= 1.07790E-03, A6=-8.13128E-06, A8= 6.39057E-08
A10=-2.54883E-10
第25面
K= 0.00000E+00, A4= 6.00693E-04, A6=-5.44287E-06, A8= 1.14595E-08
A10=-8.48471E-11
(表12A:各種データ)
ズーム比 13.32889
広角 中間 望遠
焦点距離 8.9996 32.7549 119.9549
Fナンバー 3.41937 5.13081 6.63113
画角 41.2186 13.5146 3.7437
像高 6.9000 7.8000 7.4000
レンズ全長 80.0193 91.5512 117.3280
BF 0.02848 0.02079 -0.00214
d5 0.7669 17.2917 37.3441
d11 26.0974 7.6014 1.0000
d19 5.1117 7.9921 2.5908
d21 7.3902 19.1248 38.2741
d23 4.5309 3.4267 2.0274
入射瞳位置 18.1808 50.6733 175.1735
射出瞳位置 -34.1471 -68.2543 -172.9190
前側主点位置 24.8105 67.7141 211.9140
後側主点位置 71.0197 58.7963 -2.6269
レンズ 始面 焦点距離
1 1 -91.5677
2 2 65.2164
3 4 82.9530
4 6 -10.9986
5 8 -22.2321
6 10 21.5810
7 13 24.4046
8 15 13.3296
9 16 -12.8766
10 18 28.0195
11 20 -31.5632
12 22 24.1165
13 24 -35.8078
群 始面 焦点距離 レンズ構成長 前側主点位置 後側主点位置
1 1 61.87849 8.63030 1.81054 5.05314
2 6 -11.79051 8.06880 -0.09369 1.04588
3 12 15.86902 9.99510 4.55868 5.66921
4 20 -31.56320 0.60000 0.76576 1.01669
5 22 24.11645 3.80790 2.99843 4.39690
6 24 -35.80780 2.81160 -0.86655 0.00320
群 始面 広角 中間 望遠
1 1 0.00000 0.00000 0.00000
2 6 -0.25722 -0.40223 -1.27322
3 12 -0.43319 -0.79957 -0.67485
4 20 1.65919 1.96172 2.49168
5 22 0.69002 0.73605 0.79480
6 24 1.14011 1.13989 1.13925
数値実施例5の撮像光学系は、図13に示した実施の形態5に対応する。数値実施例5の撮像光学系の面データを表13に、非球面データを表14に、無限遠合焦状態での各種データを表15A~表15Dに示す。
面データ
面番号 r d nd vd
物面 ∞
1 99.28220 0.75080 1.90366 31.3
2 43.74470 3.44600 1.59282 68.6
3 -274.93770 0.15000
4 38.27760 2.53100 1.59201 67.0
5 157.98190 可変
6* -741.63460 0.74670 1.82080 42.7
7* 10.55760 4.77970
8* -17.65730 0.51100 1.80139 45.4
9* 62.73420 0.17880
10 33.43230 1.85760 1.94595 18.0
11 -57.54740 可変
12(絞り) ∞ 1.00000
13* 12.84790 1.72310 1.85343 40.5
14* 29.19430 0.25000
15 8.11310 3.08920 1.49700 81.6
16 -34.78580 0.50230 1.80610 33.3
17 9.78940 0.88670
18 14.79880 1.75620 1.55332 71.7
19* -22.81520 可変
20* 25.79860 0.62080 1.77010 49.8
21* 10.87190 可変
22* -31.23830 1.60360 1.53380 55.6
23* -14.26280 0.32210
24* -36.08110 3.08690 1.51760 63.5
25* -14.29030 可変
26* -10.31360 1.19750 1.53380 55.6
27* -20.73330 0.15000
28 ∞ 0.90000 1.51680 64.2
29 ∞ 2.18000
30 ∞ BF
像面 ∞
第6面
K= 0.00000E+00, A4=-2.57973E-06, A6= 8.91866E-07, A8=-1.00448E-08
A10= 3.23802E-11
第7面
K=-6.58868E-01, A4= 5.38049E-05, A6= 4.76256E-07, A8= 4.24774E-08
A10=-4.18304E-10
第8面
K= 0.00000E+00, A4= 1.46413E-06, A6=-8.88943E-09, A8= 7.84850E-10
A10= 1.50188E-11
第9面
K= 0.00000E+00, A4=-5.79102E-07, A6= 2.38073E-08, A8= 4.92385E-11
A10= 4.25699E-12
第13面
K= 0.00000E+00, A4= 1.54376E-04, A6= 2.16123E-06, A8=-3.89984E-08
A10= 1.21062E-09
第14面
K= 0.00000E+00, A4= 1.97550E-04, A6= 1.58748E-06, A8=-6.77439E-08
A10= 1.24389E-09
第19面
K= 0.00000E+00, A4= 3.08457E-04, A6= 5.04205E-06, A8= 6.65733E-08
A10= 3.49950E-09
第20面
K= 0.00000E+00, A4=-5.99380E-04, A6= 3.36483E-05, A8=-9.27782E-07
A10= 1.07208E-08
第21面
K= 0.00000E+00, A4=-6.79673E-04, A6= 3.74781E-05, A8=-1.11626E-06
A10= 1.50347E-08
第22面
K= 0.00000E+00, A4=-3.08934E-04, A6=-2.94552E-06, A8= 4.39659E-08
A10= 3.43312E-11
第23面
K=-3.03213E-01, A4=-7.62421E-05, A6=-1.36649E-06, A8= 1.12243E-08
A10= 1.43283E-10
第24面
K= 0.00000E+00, A4= 8.21707E-07, A6= 7.15237E-09, A8= 4.27519E-12
A10=-2.13766E-13
第25面
K= 0.00000E+00, A4=-5.92655E-07, A6= 1.61997E-09, A8= 9.03453E-11
A10= 1.39774E-12
第26面
K= 0.00000E+00, A4= 1.09675E-03, A6=-8.07165E-06, A8= 6.71826E-08
A10=-3.16780E-10
第27面
K= 0.00000E+00, A4= 3.66170E-04, A6=-4.75661E-07, A8= 1.76137E-08
A10=-3.78046E-10
(表15A:各種データ)
ズーム比 14.62796
広角 中間 望遠
焦点距離 8.9844 34.2679 131.4231
Fナンバー 3.40823 4.75138 6.59169
画角 41.2940 12.9652 3.4630
像高 6.7000 7.9000 7.5000
レンズ全長 73.6626 87.3579 113.5239
BF -0.12870 -0.12147 -0.14851
d5 0.7399 17.5265 37.7219
d11 23.5048 7.3413 1.0629
d19 1.9920 6.9485 4.5764
d21 7.7784 17.9238 34.8204
d25 5.5562 3.5193 1.2708
入射瞳位置 16.3222 48.0516 161.8223
射出瞳位置 -31.2472 -70.6831 -270.5028
前側主点位置 22.7126 65.6775 229.3587
後側主点位置 64.6782 53.0900 -17.8992
レンズ 始面 焦点距離
1 1 -87.0968
2 2 63.9186
3 4 84.6660
4 6 -12.6764
5 8 -17.1455
6 10 22.5795
7 13 25.6424
8 15 13.5612
9 16 -9.4297
10 18 16.4972
11 20 -24.8497
12 22 47.6037
13 24 43.6076
14 26 -40.0471
群 始面 焦点距離 レンズ構成長 前側主点位置 後側主点位置
1 1 62.91170 6.87780 1.81400 4.38774
2 6 -10.75672 8.07380 0.67541 2.05697
3 12 13.98388 9.20750 1.63793 3.81041
4 20 -24.84968 0.62080 0.61733 0.88095
5 22 23.44920 5.01260 3.30619 4.96274
6 26 -40.04708 2.24750 -0.80499 -0.11411
群 始面 広角 中間 望遠
1 1 0.00000 0.00000 0.00000
2 6 -0.22294 -0.34188 -0.95466
3 12 -0.46105 -0.90531 -0.88733
4 20 1.99998 2.22490 2.74634
5 22 0.62575 0.71236 0.80918
6 26 1.11019 1.11037 1.10970
以下、条件(1)~条件(4)の対応値を表1に示す。
G2 第2レンズ群
G3 第3レンズ群
G4 第4レンズ群
G5 第5レンズ群
G6 第6レンズ群
L1 第1レンズ素子
L2 第2レンズ素子
L3 第3レンズ素子
L4 第4レンズ素子
L5 第5レンズ素子
L6 第6レンズ素子
L7 第7レンズ素子
L8 第8レンズ素子
L9 第9レンズ素子
L10 第10レンズ素子
L11 第11レンズ素子
L12 第12レンズ素子
L13 第13レンズ素子
L14 第14レンズ素子
A 開口絞り
P 平行平板
S 像面
10 ズームレンズ系
20 撮像素子
30 モニタ
40 筐体
50 デジタルカメラ
Claims (9)
- 物体側から像側へと順に、
正のパワーを有する第1レンズ群と、
負のパワーを有する第2レンズ群と、
正のパワーを有する第3レンズ群と、
負のパワーを有する第4レンズ群と、
正のパワーを有する第5レンズ群と、
パワーを有する第6レンズ群と、
からなり、
広角端から望遠端へのズーミングに際して各群間隔が変化し、
前記第5群レンズ群が2枚以下のレンズ素子で構成され、物体側に凹面を向けた凸メニスカス形状のレンズ素子を少なくとも1枚有し、
下記の条件(4)を満足する、
10.2 < fT / fW ・・・(4)
ここで、
fT:望遠端における焦点距離、
fW:広角端における焦点距離、
である、
ズームレンズ系。 - 広角端から望遠端へのズーミングに際して、
少なくとも前記第1レンズ群が光軸に沿って移動し、
望遠端における前記第1レンズ群と前記第2レンズ群との間隔は、広角端における前記第1レンズ群と前記第2レンズ群との間隔に比べて広い、
請求項1に記載のズームレンズ系。 - 下記の条件(1)を満足し、
3.8 < |β2T / β2W| < 7.0 ・・・(1)
ここで、
β2T:望遠端における第2レンズ群G2の横倍率、
β2W:広角端における第2レンズ群G2の横倍率、
である、
請求項1に記載のズームレンズ系。 - 下記の条件(2)を満足し、
1.2 < |β4T / β4W| < 5.0 ・・・(2)
ここで、
β4T:望遠端における第4レンズ群G4の横倍率、
β4W:広角端における第4レンズ群G4の横倍率、
である、
請求項1に記載のズームレンズ系。 - 下記の条件(3)を満足し、
LT / fT < 1.08 ・・・(3)
ここで、
LT:望遠端における光学全長、
fT:望遠端における焦点距離、
である、
請求項1に記載のズームレンズ系。 - 前記第4レンズ群は、1枚のレンズ素子からなる、
請求項1に記載のズームレンズ系。 - 前記第3レンズ群の全体あるいは一部が、像ぶれ補正時に光軸に対して垂直方向の成分を持つように移動する、
請求項1に記載のズームレンズ系。 - 前記第3レンズ群に絞りを有する、
請求項1に記載のズームレンズ系。 - 物体の光学的な像を電気的な画像信号として出力可能な撮像装置であって、
物体の光学的な像を形成するズームレンズ系と、
該ズームレンズ系により形成された光学的な像を電気的な画像信号に変換する撮像素子と、
を備え、
前記ズームレンズ系は、物体側から像側へと順に、
正のパワーを有する第1レンズ群と、
負のパワーを有する第2レンズ群と、
正のパワーを有する第3レンズ群と、
負のパワーを有する第4レンズ群と、
正のパワーを有する第5レンズ群と、
パワーを有する第6レンズ群と、
からなり、
広角端から望遠端へのズーミングに際して各群間隔が変化し、
前記第5群レンズ群が2枚以下のレンズ素子で構成され、物体側に凹面を向けた凸メニスカス形状のレンズ素子を少なくとも1枚有し、
下記の条件(4)を満足する、
10.2 < fT / fW ・・・(4)
ここで、
fT:望遠端における焦点距離、
fW:広角端における焦点距離、
である、
撮像装置。
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| JP2019519433A JP6664068B2 (ja) | 2017-10-27 | 2018-10-16 | ズームレンズ系、及び撮像装置 |
| EP18871395.2A EP3702823B1 (en) | 2017-10-27 | 2018-10-16 | Zoom lens system and imaging device |
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| JP7721345B2 (ja) * | 2021-07-06 | 2025-08-12 | キヤノン株式会社 | 光学系及びそれを有する撮像装置 |
| CN114647070B (zh) * | 2022-03-25 | 2023-10-10 | 杭州海康威视数字技术股份有限公司 | 光学系统 |
| JP7849837B2 (ja) * | 2022-06-07 | 2026-04-22 | 株式会社シグマ | 結像光学系 |
| CN116643390B (zh) * | 2023-05-23 | 2025-08-01 | 中山联合光电科技股份有限公司 | 变焦光学系统及摄像设备 |
| CN117170072B (zh) * | 2023-08-31 | 2026-04-07 | 嘉兴中润光学科技股份有限公司 | 一种生物识别虹膜镜头 |
| CN117250739B (zh) * | 2023-08-31 | 2026-04-07 | 嘉兴中润光学科技股份有限公司 | 一种无人机变焦镜头和无人机 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012155087A (ja) | 2011-01-25 | 2012-08-16 | Nikon Corp | 変倍光学系、光学装置、変倍光学系の製造方法 |
| JP2015135392A (ja) * | 2014-01-17 | 2015-07-27 | セイコーエプソン株式会社 | 投射光学系及び投射型画像表示装置 |
| JP2016065912A (ja) * | 2014-09-24 | 2016-04-28 | 株式会社ニコン | ズームレンズ、光学機器及びズームレンズの製造方法 |
| JP2016161887A (ja) * | 2015-03-05 | 2016-09-05 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP2016173438A (ja) | 2015-03-17 | 2016-09-29 | キヤノン株式会社 | ズームレンズ |
| JP2017142349A (ja) * | 2016-02-10 | 2017-08-17 | リコーイメージング株式会社 | ズームレンズ系 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3054185B2 (ja) | 1990-10-23 | 2000-06-19 | オリンパス光学工業株式会社 | ズームレンズ |
| US5691851A (en) | 1993-07-14 | 1997-11-25 | Canon Kabushiki Kaisha | Zoom lens |
| JP3155884B2 (ja) | 1993-07-14 | 2001-04-16 | キヤノン株式会社 | ズームレンズ |
| US8068281B2 (en) | 2008-04-02 | 2011-11-29 | Panasonic Corporation | Zoom lens system, interchangeable lens apparatus and camera system |
| US7796344B2 (en) * | 2008-04-02 | 2010-09-14 | Panasonic Corporation | Zoom lens system, interchangeable lens apparatus and camera system |
| JP4560745B2 (ja) | 2008-08-06 | 2010-10-13 | ソニー株式会社 | 可変焦点距離レンズ系 |
| JP5440760B2 (ja) | 2009-05-19 | 2014-03-12 | 株式会社ニコン | 変倍光学系、この変倍光学系を有する光学機器 |
| CN105388601B (zh) | 2011-01-25 | 2019-08-09 | 株式会社尼康 | 变焦镜头系统和光学设备 |
| WO2014006653A1 (ja) | 2012-07-04 | 2014-01-09 | パナソニック株式会社 | ズームレンズ系、撮像装置及びカメラ |
| US8976271B2 (en) | 2012-07-19 | 2015-03-10 | Canon Kabushiki Kaisha | Optical system and image pickup apparatus |
| JP5649622B2 (ja) | 2012-07-19 | 2015-01-07 | キヤノン株式会社 | 光学系および撮像装置 |
| JP6230267B2 (ja) | 2013-05-23 | 2017-11-15 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| WO2015045297A1 (ja) | 2013-09-27 | 2015-04-02 | パナソニックIpマネジメント株式会社 | ズームレンズ系、交換レンズ装置及びカメラシステム |
| JP6253363B2 (ja) * | 2013-11-21 | 2017-12-27 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP6350096B2 (ja) * | 2014-08-08 | 2018-07-04 | 株式会社シグマ | ズームレンズ系及びそれを有する撮像装置 |
| AU2015323139B2 (en) * | 2014-09-24 | 2018-12-06 | Nikon Corporation | Zoom lens, optical device and method of manufacturing zoom lens |
| JP6577191B2 (ja) | 2015-01-08 | 2019-09-18 | 株式会社タムロン | ズームレンズ及び撮像装置 |
| JP2016156942A (ja) * | 2015-02-24 | 2016-09-01 | 株式会社ニコン | ズームレンズ、光学機器及びズームレンズの製造方法 |
| JP2016166972A (ja) | 2015-03-10 | 2016-09-15 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP6598599B2 (ja) * | 2015-09-02 | 2019-10-30 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP6880544B2 (ja) * | 2015-09-30 | 2021-06-02 | 株式会社ニコン | ズームレンズおよび光学機器 |
| JP2017068155A (ja) * | 2015-10-01 | 2017-04-06 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| US10558025B2 (en) | 2016-04-06 | 2020-02-11 | Olympus Corporation | Variable magnification optical system and image pickup apparatus using the same |
| JP6789719B2 (ja) * | 2016-08-09 | 2020-11-25 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP6779710B2 (ja) | 2016-08-30 | 2020-11-04 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
-
2018
- 2018-10-16 WO PCT/JP2018/038404 patent/WO2019082723A1/ja not_active Ceased
- 2018-10-16 JP JP2019519433A patent/JP6664068B2/ja active Active
- 2018-10-16 EP EP18871395.2A patent/EP3702823B1/en active Active
- 2018-10-16 CN CN201880004894.8A patent/CN110050217B/zh active Active
-
2019
- 2019-06-13 US US16/440,071 patent/US11150442B2/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012155087A (ja) | 2011-01-25 | 2012-08-16 | Nikon Corp | 変倍光学系、光学装置、変倍光学系の製造方法 |
| JP2015135392A (ja) * | 2014-01-17 | 2015-07-27 | セイコーエプソン株式会社 | 投射光学系及び投射型画像表示装置 |
| JP2016065912A (ja) * | 2014-09-24 | 2016-04-28 | 株式会社ニコン | ズームレンズ、光学機器及びズームレンズの製造方法 |
| JP2016161887A (ja) * | 2015-03-05 | 2016-09-05 | キヤノン株式会社 | ズームレンズ及びそれを有する撮像装置 |
| JP2016173438A (ja) | 2015-03-17 | 2016-09-29 | キヤノン株式会社 | ズームレンズ |
| JP2017142349A (ja) * | 2016-02-10 | 2017-08-17 | リコーイメージング株式会社 | ズームレンズ系 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP3702823A4 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025204144A1 (ja) * | 2024-03-25 | 2025-10-02 | 富士フイルム株式会社 | 変倍光学系および撮像装置 |
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| JP6664068B2 (ja) | 2020-03-13 |
| US11150442B2 (en) | 2021-10-19 |
| EP3702823A4 (en) | 2020-12-23 |
| CN110050217B (zh) | 2021-11-02 |
| JPWO2019082723A1 (ja) | 2019-11-14 |
| EP3702823A1 (en) | 2020-09-02 |
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| EP3702823B1 (en) | 2025-06-11 |
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