JPH10301035A - Binoculars with camera shake correction mechanism - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To perform camera shake correction of binoculars with a simple configuration. A light beam having passed through a pair of objective lenses (31, 32) is guided to a pair of image inversion optical systems (41, 42) via a pair of correction lenses (21, 22). Image reversing optical system 41, 4
Reference numeral 2 denotes a Porro prism that forms an erect image composed of two right-angle prisms. The light beam that has passed through the image inversion optical systems 41 and 42 is guided to a pair of eyepieces 51 and 52. Correction lens 2
Reference numerals 1 and 22 denote objective lenses 31 and 32 and an image inverting optical system 41,
42. The correction lenses 21 and 22 are integrally held by a support frame plate 20. The support frame plate 20 in the vertical direction,
By driving in the horizontal direction, image blur due to camera shake is corrected.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to binoculars having a camera shake correction mechanism.

[0002]

2. Description of the Related Art Conventionally, as disclosed in JP-A-7-43647 as binoculars having a camera shake correction mechanism, correction means for correcting image shake are provided in each of two right and left optical systems. Is known which has a configuration in which the correction means are independently driven. In this type of binoculars, since the left and right correction means are independently driven, a separate control means for synchronizing the movements of the two must be provided. As a result, control becomes complicated and the apparatus configuration becomes large. There was a problem of doing.

To solve such a problem, Japanese Patent Laid-Open Publication No. Hei 2-284113 discloses a camera shake correction means integrated into a left and right unit by bringing a pair of light beams passing through a pair of objective lenses close to each other. Binoculars capable of correcting camera shake by driving means are disclosed. However, in this type of binoculars, since the reflecting member used for adjusting the interpupillary distance is used as a means for approaching the light flux, a member for adjusting the interpupillary distance must be newly provided, which complicates the apparatus configuration. In addition, there is a problem that the size is increased.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has as its object to provide binoculars capable of correcting camera shake by a simple device configuration and control method.

[0005]

The binoculars provided with an image blur correcting mechanism according to the present invention have a first image reversing optical system and a first correcting optical system for correcting a blur of an observed image. Binoculars having a telephoto optical system having a second image inverting optical system and a second telephoto optical system having a second correction optical system for correcting a blur of an observed image, wherein the first and second telescopes are provided. Is integrally held by a single holding member disposed closer to the object side than the first and second image reversing optical systems, and the holding member of the first and second telephoto optical systems is It is characterized by comprising control means for two-dimensionally driving in a plane orthogonal to both optical axes to correct the blur of the observed image.

For example, a first telephoto optical system has a first objective lens, a second telephoto optical system has a second objective lens, and a first correction optical system is a first image inversion optics. A second correction optical system positioned between the system and the first objective lens;
The holding means is provided so as to be positioned between the image inversion optical system and the second objective lens.

The first and second correction optical systems are, for example, objective lenses.

[0008] Preferably, the control means has a direct-acting actuator.

In the binoculars provided with the image blur correction mechanism of the present application, for example, the first telephoto optical system further has a first eyepiece, the second telephoto optical system further has a second eyepiece, The first image reversing optical system and the first eyepiece are the first
The second image reversing optical system and the second eyepiece are held so as to be integrally rotatable about the optical axis of the objective lens.
Are held so as to be integrally rotatable around the optical axis of the objective lens, and the optical axis interval between the first and second eyepieces can be adjusted.

In the binoculars provided with the image blur correction mechanism of the present application, for example, the first telephoto optical system further has a first eyepiece, the second telephoto optical system further has a second eyepiece, Focusing is performed by driving the first eyepiece and the second eyepiece integrally along the respective optical axis directions.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. In this specification, "vertical" is a direction orthogonal to a plane including two optical axes extending in parallel, that is, a direction orthogonal to the paper surface of FIG. 1, and "horizontal" is two optical axes extending in parallel. Is a direction parallel to a plane including the optical axis and parallel to an axis orthogonal to the two optical axes, that is, a horizontal direction in FIG. FIG. 1 is a partial cross-sectional view of binoculars to which a first embodiment according to the present invention is applied, which is cut along a plane parallel to the optical axes Ol and Or of objective lenses 31 and 32 thereof.
The light beam that has passed through the pair of objective lenses 31 (first objective lens) and the objective lens 32 (second objective lens) is applied to the pair of correction lenses 21 (first correction optical system) and the correction lens 22.
A pair of image inversion optical systems 41 via (second correction optical system)
(A first image inversion optical system) and an image inversion optical system 42 (a second image inversion optical system). Each of the image inverting optical systems 41 and 42 is a Porro prism that forms an erect image composed of two right-angle prisms. The light beam that has passed through the image inversion optical systems 41 and 42 is guided to a pair of eyepieces 51 (first eyepiece) and eyepieces 52 (second eyepiece). That is, the left telephoto optical system (first telephoto optical system) is
1. Objective lens 31, image reversing optical system 41, eyepiece 5
The right telephoto optical system (second telephoto optical system) includes a correction lens 22, an objective lens 32, an image inversion optical system 42, and an eyepiece lens 52. Ol is the optical axis of the objective lens 31, O
r indicates the optical axis of the objective lens 32, Ol 'indicates the optical axis of the eyepiece 51, and Or' indicates the optical axis of the eyepiece 52.

The objective lens 31 is an objective lens barrel 31A.
The objective lens 32 is held by an objective lens barrel 32A. The objective lens barrel 31A is provided with the optical axis Ol in the support hole 13B of the objective lens barrel support portion 13A of the left lens body 13.
Are supported so as to be able to reciprocate along. Similarly, the objective lens barrel 32A is connected to the objective lens barrel support 1 of the right lens body 14.
4A, it is supported by the support hole 14B so as to be able to reciprocate along the optical axis Or.

The eyepiece 51 is an eyepiece barrel 51A.
The eyepiece 52 is held by an eyepiece barrel 52A. The eyepiece lens barrel 51A is fixed to the eyepiece lens barrel support 13D of the left lens body 13, and the eyepiece lens barrel 52A
Is fixed to the eyepiece lens barrel support portion 14D of the right lens body 14. The Porro prism of the image inverting optical system 41 includes a prism chamber 13 provided between the objective lens barrel support 13A and the eyepiece lens barrel support 13D in the left lens body 13.
C. Similarly, the Porro prism of the image reversing optical system 42 is disposed in a prism chamber 14C provided between the objective lens barrel support 14A and the eyepiece lens barrel support 14D in the right lens body 14.

The prism chamber 13C of the left mirror 13 and the right mirror 1
A meshing member (not shown) is provided on each of the outer surfaces of the four prism chambers 14C facing each other, and meshes with each other.

Eyepiece lens barrel 51A and eyepiece lens barrel 5
Between 2A, a cylindrical rolling wheel 90 is provided. A wheel shaft 91 is fixed to the axis of the wheel 90, and an elevating shaft 92 is screwed to the wheel shaft 91. The elevating shaft 92 is connected to the left arm 9
3, and is connected to the objective lens barrel 32A via the right arm 94.

When the rolling wheel 90 is rotated, its rotating motion is transmitted to a lifting shaft 92 through a rolling shaft 91, and the lifting shaft 92 is rotated.
Are driven along the optical axes Ol and Or. That is,
The rotation of the rolling wheel 90 is converted into a movement of the elevating shaft 92 along the optical axes Ol and Or. The movement of the elevating shaft 92 is controlled by the objective lens barrel 31 via the left arm 93 in the left telephoto optical system.
A, and similarly transmitted to the objective lens barrel 32A via the right arm 94 in the right telephoto optical system. Accordingly, the objective lens barrels 31A and 32A are driven in conjunction with the elevation shaft 92 being driven along the optical axes Ol and Or.

That is, the rotating wheel 90, the rotating shaft 91, the elevating shaft 92, the arms 93 and 94, the objective lens barrel 31A, and the objective lens barrel 32A are an integrated unit for focusing. Are rotated, the left and right objective lens barrels 31A and 32A are synchronized, and the optical axes Ol and Or are synchronized.
Is driven along. Therefore, the user can perform the focusing operation by rotating the rotating wheel 90 clockwise or counterclockwise by a predetermined amount.

Further, the left lens body 13 and the right lens body 14 are moved in accordance with the change of the meshing position of the above-mentioned meshing members.
Is rotated about the optical axis Ol of the objective lens 31, and the right lens body 14 is rotated about the optical axis Or of the objective lens 32 in synchronization with the above-mentioned integrated unit for focusing. .
Since the left lens body 13 and the right lens body 14 are meshed on opposite side surfaces, when the left lens body 13 rotates clockwise around the optical axis Ol, the right lens body 14 rotates counterclockwise around the optical axis Or. When the left mirror body 13 rotates around the optical axis Ol counterclockwise, the right mirror body 14 rotates clockwise around the optical axis Or. By the rotation of the left lens unit 13 and the right lens unit 14 described above,
The distance between the optical axes Ol ′ and Or ′ changes, and the interpupillary distance adjustment is performed.

FIG. 2 is a partial cross-sectional view when the binoculars according to the present embodiment are cut along a plane perpendicular to the optical axes Ol and Or in the vicinity of the correction lens. The support frame plate 20 is a substantially rectangular flat plate, and the correction lenses 21 and 22 are located at symmetric positions.
Has been fixed. The left end face of the support frame plate 20 extends in the axial direction parallel to the plane including the optical axes Ol and Or and at a twist position perpendicular to the optical axes Ol and Or toward the inside of the support frame plate, and Holes 23 and 24 having a depth are formed near the upper end and the lower end. Holes 25 and 26 are similarly provided on the right end face of the support frame plate 20.

The U-shaped guide bar 61 has lateral guide portions 61a and 61b whose axial directions are parallel to each other.
It comprises a vertical guide portion 61c connecting the horizontal guide portions 61a and 61b. The axial length of the vertical guide portion 61c is substantially equal to the distance between the holes 23 and 24 at the left end of the support plate frame 20. The lateral guide 61a of the guide bar 61 is slidably inserted into the hole 23, and the lateral guide 61b is slidably inserted into the hole 24.

Like the guide bar 61, the guide bar 62 has a lateral guide portion 62 whose respective axes are parallel to each other.
a, 62b and a vertical guide portion 62c connecting the horizontal guide portions 62a and 62b, and has a U-shape. The axial length of the vertical guide portion 62 c is substantially equal to the distance between the holes 25 and 26 at the right end of the support plate frame 20. The lateral guide portion 62a of the guide bar 62 is slidably inserted into the hole 25, and the lateral guide portion 62b is slidably inserted into the hole 26.

That is, the support frame plate 20 is supported by the guide bars 61 and 62, and the tips of the lateral guide portions 61a and 61b of the guide bar 61 abut against the bottoms of the holes 23 and 24, respectively. Direction guide 62
Reciprocation is possible in the lateral direction within a range where the tips of a and 62b abut the bottoms of the holes 25 and 26, respectively.

The vertical guide portion 61c of the guide bar 61 passes through a protrusion 11 formed on the inner wall surface of the outer frame 10, and is supported by the protrusion 11 so as to be able to reciprocate in the vertical direction. Similarly, the vertical guide portion 62c of the guide bar 62 passes through the protrusion 12 formed on the inner wall surface of the outer frame 10, and is supported by the protrusion 12 so as to be able to reciprocate in the vertical direction.

Coil springs 112c and 112d are provided around the outer sides of the lateral guide portions 61a and 61b of the guide bar 61.
Is wrapped around. Coil spring 112c, 112d
Has one end in contact with the left side surface of the support frame plate 20, and applies an urging force in a direction from the correction lens 21 toward the correction lens 22 (to the right in FIG. 2). A coil spring 111c is wound around the outer periphery above the protrusion 11 in the vertical guide portion 61c of the guide bar 61, and a coil spring 111d is wound around the outer periphery above the protrusion 12 in the vertical guide portion 62c of the guide bar 62. ing. One end of each of the coil springs 111c and 111d is
2, respectively, and applies an urging force in a direction (upward in FIG. 2) from the horizontal guide portion 61b to the horizontal guide portion 61a in the vertical direction.

A lateral actuator 112 is disposed on the inner surface of the bottom of the outer frame 10. The lateral actuator 112 is a direct-acting actuator, and is constituted by, for example, a linear stepping actuator. The linear stepping actuator is a stepping motor 112
a and the lead screw 112b.
12c and 112d, the lead screw 112b
Of the support frame plate 20 is always in contact with the side surface of the protrusion 28 on the bottom surface of the support frame plate 20. The lead screw 112b is displaced in the lateral direction according to the rotation of the stepping motor 112a. When the lead screw 112b advances from the correction lens 22 toward the correction lens 21 (to the left in FIG. 2) by the rotation of the stepping motor 112a, the support frame plate 20 resists the urging force of the coil springs 112c and 112d via the protrusion 28. When the lead screw 112b moves rightward, the support frame plate 20 moves rightward by the urging force of the coil springs 112c and 112d.

The inner surface of the upper part of the outer frame 10 and the correction lens 2
A vertical actuator 111 is provided between the first and second actuators 22. The vertical actuator 111 is called a direct-acting actuator or a linear stepping actuator, and includes a stepping motor 111 a and a lead screw 11.
1b, the leading end of the lead screw 111b is supported by the support frame plate 20 by the urging force of the coil springs 111c and 111d.
Is disposed so as to always contact the upper surface of the protrusion 27 provided between the correction lenses 21 and 22. The lead screw 111b is displaced in the vertical direction according to the rotation of the stepping motor 111a. By the rotation of the stepping motor 111a, the lead screw 111b is turned into the lateral guide portion 61a.
When moving in the direction (downward in FIG. 2) toward the lateral guide portion 61b, the support frame plate 20 moves downward via the protrusion 27 against the urging force of the coil springs 111c and 111d, and the lead screw 111b is moved. When the support frame plate 20 moves upward, the support frame plate 20 moves upward due to the urging force of the coil springs 111c and 111d.

FIG. 3 is a block diagram of the binoculars of the present embodiment. The vertical shake detecting unit 301 detects a vertical shake direction (whether upward or downward) and an angular velocity when holding the binoculars,
The lateral shake detecting means 302 detects the direction of lateral shake (whether the vehicle is heading leftward or rightward) and the angular velocity. A filter 311 is connected to the vertical shake detecting means 301,
1 cuts out noise from the signal detected, extracts only a camera shake frequency band, and outputs it as a vertical shake detection signal having direction and angular velocity information. Similarly, the lateral shake detecting means 302
Is connected to a filter 312, which cuts noise from the signal detected by the lateral shake detecting means 302, extracts only a shake frequency band, and outputs the extracted signal as a lateral shake detection signal having direction and angular velocity information.

The filters 311 and 312 are connected to the microcomputer 300. The microcomputer 300 integrates the angular velocity information based on the vertical shake detection signal and the horizontal shake detection signal input from the filters 311 and 312, respectively, and calculates the reference position of the support frame plate 20 (the optical axis of the correction lenses 21 and 22 and The vertical and horizontal displacements with respect to the optical axis of the other optical system of the telephoto optical system are calculated, that is, the vertical shake correction position and the horizontal shake correction position that cancel the shake, and 321,
322.

The vertical position detecting means 331 is, for example, an LED
(Light Emitting Diode) and PSD (Position Se)
The sensor 321 includes a non-switching device, detects a vertical position with respect to a reference position of the support frame plate 20 that supports the correction lenses 21 and 22, and outputs a vertical position detection signal to the comparator 321. Similarly, a lateral position detecting unit 332 including an LED and a PSD sensor detects a lateral position of the support frame plate 20 with respect to a reference position, and outputs a lateral position detection signal to the comparator 322.

The comparator 321 is a microcomputer 3
00 and the vertical position correction means 33
A vertical shake detection signal is output to the driving unit 111 so that the position of the support frame plate 20 matches the calculated vertical shake correction position. Similarly,
The comparator 322 compares the lateral shake correction amount output from the microcomputer 300 with the lateral position detection signal output from the lateral position detection means 332, and makes sure that the position of the support frame plate 20 matches the lateral shake correction position. A lateral shake correction signal is output to the driving unit 112.

The driving means 111 is a linear stepping actuator (that is, a linear motion type actuator) comprising the stepping motor 111a and the lead screw 111b as described above, and drives the stepping motor 111a based on the vertical vibration correction signal output from the comparator. And vertical vibration is corrected. The driving unit 112 is a linear stepping actuator including a stepping motor 112a and a lead screw 112b. The stepping motor 112a is driven based on a lateral vibration correction signal output from the comparator, and lateral vibration is corrected. The vibration of the observation image is corrected by correcting the vertical vibration and the horizontal vibration as described above.

As described above, according to the present embodiment, the right and left correction optical systems are integrally held by the support frame plate 20,
Since the shake of the observation image is corrected by driving the support frame plate 20, one set of drive means and one set of position detection means may be provided for each of the vertical shake correction and the horizontal shake correction. Is easy.

According to this embodiment, since the correction optical system is disposed between the objective lens and the image inverting optical system, the image inverting optical system and the interpupillary distance adjusting mechanism for rotating the eyepiece around the optical axis. Will not be affected.

FIG. 4 is a partial cross-sectional view of binoculars to which the second embodiment according to the present invention is applied. The same members as those in the first embodiment are denoted by the same reference numerals. The luminous flux passing through the pair of objective lenses 31 and 32 is applied to a pair of image inversion optical systems 4.
3, 44. The image reversing optical systems 43 and 44 for obtaining erect positive images are respectively composed of roof prisms 43a and 44a and auxiliary prisms 43b and 44b. The light beam that has passed through the image inversion optical systems 43 and 44 is guided to a pair of eyepieces 51 and 52. The eyepieces 51 and 52 include an eyepiece holding frame 51A and an eyepiece holding frame 52A, respectively.
It is fixed to. That is, the left telephoto optical system includes the objective lens 31, the image inverting optical system 43, and the eyepiece 51,
The right telephoto optical system includes an objective lens 32, an image inversion optical system 44, and an eyepiece 52. In FIG. 4, the optical axis in the prism of the image inversion optical system is omitted.

A cylindrical wheel 190 is provided between the eyepiece holding frame 51A and the eyepiece holding frame 52A. A wheel shaft 191 is fixed to the axis of the wheel 190, and an elevating shaft 192 is screwed to the wheel shaft 191. Vertical axis 1
92 has a disk portion and a cylindrical portion,
Are fixed by pins 193 on the eyepiece holding frame 51A side of the disc portion and by pins 194 on the eyepiece holding frame 52A side. Pin 193 and Pin 1
The longitudinal portion of 94 extends in a direction parallel to the optical axis of the left and right eyepieces 51 and 52, and is supported by the outer frame 15 so as to be movable along the optical axis. Further, the pin 193 is fixed to one end of the arm 195,
The other end of 5 is fixed to the eyepiece holding frame 51A. Similarly, the pin 194 is fixed to one end of the arm 196, and the other end of the arm 196 is fixed to the eyepiece holding frame 52A.

When the wheel 190 is rotated, the rotational motion is transmitted to the elevating shaft 192 via the wheel shaft 191. Since the elevating shaft 192 is fixed by the pins 193 and 194, it is guided by the pins 193 and 194 and driven along the optical axis direction of the left and right eyepieces 51 and 52. That is, the rotation of the wheel 190 is converted into a movement of the left and right eyepieces 51 and 52 of the elevating shaft 192 along the optical axis direction. The movement of the elevating shaft 192 is determined by the pin 19 in the left telephoto optical system.
3, transmitted to the eyepiece holding frame 51A via the arm 195, and similarly transmitted to the eyepiece holding frame 52A via the pin 194 and the arm 196 in the right telephoto optical system. Accordingly, as the elevating shaft 192 is driven along the optical axis of the eyepieces 51 and 52, the eyepiece holding frame 51
A and 52A are similarly driven.

That is, by rotating the wheel 190, the left and right eyepiece holding frames 51A and 52A are driven in synchronization with each other along the optical axis of the eyepieces 51 and 52. Therefore, the user can perform the focusing operation by rotating the wheel 190 clockwise or counterclockwise by a predetermined amount.

On the other hand, the objective lenses 31, 32 are fixed to the objective lens frame 30, which is a substantially rectangular flat plate, at symmetrical positions. The objective lens frame 30 can reciprocate in the vertical and horizontal directions by the same configuration as that of the first embodiment shown in FIG. That is, holes are provided in the left and right end surfaces of the objective lens frame 30, and each of the holes has a U-shaped guide bar 6.
3, 64 are slidably inserted. Guide bar 6
Reference numerals 3 and 64 are inserted into the projections on the inner wall surface of the outer frame 15 of the binoculars, and are supported by the projections so as to be slidable in the vertical direction. A coil spring (not shown) is wound around the guide bars 63 and 64 in the same manner as in the first embodiment, and applies a biasing force in a direction opposite to a driving direction by an actuator described later to the objective lens frame 3.
0 is given.

A vertical actuator 113 and a horizontal actuator 114 for driving the objective lens frame 30 in the vertical and horizontal directions are provided between the objective lenses 31 and 32. The vertical actuator 113 and the horizontal actuator 114 are the vertical actuator 1 of the first embodiment.
11. Similar to the lateral actuator 112, it is composed of a stepping motor and a lead screw. That is, the lateral actuator 114 includes a stepping motor 114a and a lead screw 114b, and the tip of the lead screw 114b is in contact with the side surface of the portion of the objective lens frame 30 that holds the objective lens 32 of the right telephoto optical system. The vertical actuator 113 is provided with a stepping motor 113.
a and a lead screw (not shown). The lead screw is in contact with a projection projecting toward the image inversion optical systems 43 and 44 along the optical axis direction of the left and right objective lenses 31 and 32 in the objective lens frame 30.

As described above, the objective lens frame 30 is the same as the support frame plate 20 of the first embodiment, and the vertical actuator 1
13 and the guide bars 63 and 64 are driven in the vertical direction, and are driven in the horizontal direction by the horizontal actuator 114 and the coil springs wound on the guide bar 64.

Further, in the vicinity of the vertical actuator 113 and the horizontal actuator 114, similar to the first embodiment, a vertical shake detecting means 301 for detecting a vertical shake when the binoculars are held, and a horizontal shake detector 301 are provided. A horizontal shake detecting means 302 for detecting a shake is provided. Further, a filter having the same function as that of the first embodiment, a position detecting unit,
It has a microcomputer and a comparator.

That is, the microcomputer calculates a shake correction amount based on the shake detection signal detected by the shake detection means and the filter, and compares the position detection signal detected by the position detection means with the shake correction amount by the comparator. The shake correction signal is output. The stepping motors of the vertical actuator and the horizontal actuator are driven based on the shake correction signal output from the comparator, and the vertical shake and the horizontal shake are corrected.

As described above, according to the present embodiment, since the objective lenses 31 and 32 are used for correcting the shake of the observed image, there is no need to provide a new optical system for correcting the camera shake.

Also, since the objective lenses 31 and 32 are driven integrally, camera shake correction can be performed with a simple device configuration.

[0045]

According to the present invention, camera shake correction can be easily performed without increasing the size of binoculars.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional view of binoculars according to a first embodiment of the present invention.

FIG. 2 is a cross-sectional view near a correction lens of the binoculars according to the first embodiment.

FIG. 3 is a block diagram of the binoculars of the first embodiment.

FIG. 4 is a partial cross-sectional view of binoculars according to a second embodiment of the present invention.

[Explanation of symbols]

 10, 15 Outer frame 20 Support frame plate 21, 22 Correction lens 31, 32 Objective lens 41, 42 Image reversing optical system 51, 52 Eyepiece 61, 62 Guide bar 90, 190 Roller wheel 91, 191 Roller shaft 92, 192 Elevation Shaft 193, 194 Pin 195, 196 Arm 111, 112 Driving means 111a, 112a Stepping motor 111b, 112b Lead screw 111c, 111d, 112c, 112d Coil spring

Claims (6)

[Claims] 1. A first telescope optical system having a first image inversion optical system and a first correction optical system for correcting a blur of an observed image, a second image inversion optical system, and a blur of an observed image. Binoculars having a second telephoto optical system having a second correction optical system for correcting the first and second image inversion optical systems, wherein the first and second correction optical systems are more than the first and second image inversion optical systems. Are also integrally held by a single holding member disposed on the object side, and the holding member is two-dimensionally driven in a plane orthogonal to both optical axes of the first and second telephoto optical systems. Binoculars provided with control means for correcting a blur of an observation image by performing the correction. 2. The first telephoto optical system has a first objective lens, the second telephoto optical system has a second objective lens, and the first correction optical system has the first objective lens. Is positioned between the image inverting optical system of
2. The binoculars according to claim 1, wherein the holding unit is disposed such that the correction optical system is positioned between the second image inverting optical system and the second objective lens. 3. 3. The binoculars according to claim 1, wherein the first and second correction optical systems are objective lenses. 4. The binoculars according to claim 1, wherein said control means has a direct-acting actuator. 5. The first telephoto optical system further includes a first eyepiece lens, the second telephoto optical system further includes a second eyepiece lens, and the first image inverting optical system and The first eyepiece is held so as to be integrally rotatable about the optical axis of the first objective lens, and the second image inversion optical system and the second eyepiece are connected to the second objective lens. 3. The binoculars according to claim 2, wherein the first and second eyepieces are held so as to be integrally rotatable about the optical axis, and the optical axis interval between the first and second eyepieces is adjustable. 4. 6. The first telephoto optical system further includes a first eyepiece, and the second telephoto optical system further includes a second eyepiece, wherein the first eyepiece and the second eyepiece are provided. The binoculars according to claim 1, wherein focusing is performed by integrally driving the two eyepieces along respective optical axis directions.