CH420659A - Objectif optique de longueur focale variable - Google Patents

Objectif optique de longueur focale variable

Info

Publication number
CH420659A
CH420659A CH1396363A CH1396363A CH420659A CH 420659 A CH420659 A CH 420659A CH 1396363 A CH1396363 A CH 1396363A CH 1396363 A CH1396363 A CH 1396363A CH 420659 A CH420659 A CH 420659A
Authority
CH
Switzerland
Prior art keywords
focal length
optical lens
variable focal
length optical
variable
Prior art date
Application number
CH1396363A
Other languages
English (en)
Inventor
Chapman Alan
Original Assignee
Rank Precision Ind Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rank Precision Ind Limited filed Critical Rank Precision Ind Limited
Publication of CH420659A publication Critical patent/CH420659A/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • 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
    • G02B15/163—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 a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • 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
    • G02B15/163—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 a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G02B15/167—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 a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
  • Microscoopes, Condenser (AREA)
CH1396363A 1962-11-14 1963-11-14 Objectif optique de longueur focale variable CH420659A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB43079/62A GB1066502A (en) 1962-11-14 1962-11-14 Improvements in or relating to optical objectives of variable equivalent focal length

Publications (1)

Publication Number Publication Date
CH420659A true CH420659A (fr) 1966-09-15

Family

ID=10427238

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1396363A CH420659A (fr) 1962-11-14 1963-11-14 Objectif optique de longueur focale variable

Country Status (2)

Country Link
CH (1) CH420659A (fr)
GB (1) GB1066502A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3591256A (en) * 1968-04-15 1971-07-06 Xerox Corp Variable magnification lens system

Also Published As

Publication number Publication date
GB1066502A (en) 1967-04-26

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