JP2000206389A - Lens-frame to allow positional adjustment for optical system - Google Patents
Lens-frame to allow positional adjustment for optical systemInfo
- Publication number
- JP2000206389A JP2000206389A JP11009324A JP932499A JP2000206389A JP 2000206389 A JP2000206389 A JP 2000206389A JP 11009324 A JP11009324 A JP 11009324A JP 932499 A JP932499 A JP 932499A JP 2000206389 A JP2000206389 A JP 2000206389A
- Authority
- JP
- Japan
- Prior art keywords
- frame
- lens
- optical axis
- adjusting
- adjustment
- 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.)
- Withdrawn
Links
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Lens Barrels (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、光学部材の光学系
位置調整可能な鏡枠に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lens frame capable of adjusting an optical system position of an optical member.
【０００２】[0002]
【従来の技術】従来、レンズ鏡枠の光軸の傾きを含む芯
ずれを調整する方法として、特開昭５９−６８７１０号
公報に提案されたレンズ系の組立方法がある。この組立
方法は、隣り合うレンズを間隔形成用リングで保持した
状態でレンズ光軸の傾きを含む芯ずれを調整し、その
後、上記レンズと間隔形成用リングとをその外周部で接
着固定して組み立て調整するものである。2. Description of the Related Art Conventionally, as a method of adjusting misalignment including inclination of an optical axis of a lens barrel, there is a method of assembling a lens system proposed in Japanese Patent Application Laid-Open No. Sho 59-68710. This assembling method adjusts the misalignment including the inclination of the optical axis of the lens while holding the adjacent lenses by the gap forming ring, and then adhesively fixes the lens and the gap forming ring at the outer periphery thereof. This is to adjust the assembly.
【０００３】[0003]
【発明が解決しようとする課題】上述の特開昭５９−６
８７１０号公報に提案された組み立て方法によると、そ
の調整を行う場合、光軸の傾きと、光軸と直交する平面
内での光軸位置とが同時に変化する可能性があって、必
ずしも調整したい傾きのみ、あるいは、光軸位置のみを
調整することができないなど調整作業がやりにくい不具
合があった。SUMMARY OF THE INVENTION The above-mentioned JP-A-59-6
According to the assembling method proposed in Japanese Patent No. 8710, when the adjustment is performed, there is a possibility that the inclination of the optical axis and the position of the optical axis in a plane orthogonal to the optical axis may change at the same time. There was a problem that the adjustment operation was difficult to perform, for example, only the tilt or the optical axis position could not be adjusted.
【０００４】本発明は、上述の不具合を解決するために
なされたものであり、光学部材の光軸方向の調整（光軸
を振る）と、光軸と直交する平面内での光軸位置の調整
（光軸の平行移動）が可能であり、調整作業が容易であ
る光学系位置調整可能な鏡枠を提供することを目的とす
る。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and includes an adjustment of the optical axis direction of an optical member (shaking the optical axis) and an adjustment of the optical axis position in a plane orthogonal to the optical axis. It is an object of the present invention to provide a lens frame that can be adjusted (parallel movement of the optical axis) and that can adjust the position of an optical system that is easy to adjust.
【０００５】[0005]
【課題を解決するための手段】本発明の請求項１記載の
光学系位置調整可能な鏡枠は、レンズ若しくは鏡枠の光
軸の光学系位置を調整可能な鏡枠において、上記光軸の
傾きを少なくとも所定方向に調整する傾き調整機構と、
上記光軸を少なくとも所定方向に平行移動させる平行移
動調整機構とを具備しており、上記傾き調整機構と上記
平行移動調整機構とは、同一の枠部材に一体形成されて
いる。そして、上記傾き調整機構と上記平行移動調整機
構によって、光軸傾きと光軸位置との調整が行われる。According to a first aspect of the present invention, there is provided a lens frame capable of adjusting the position of an optical system in a lens frame capable of adjusting the optical system position of a lens or an optical axis of the lens frame. A tilt adjusting mechanism for adjusting the tilt in at least a predetermined direction,
A translation adjustment mechanism that translates the optical axis in at least a predetermined direction; and the inclination adjustment mechanism and the translation adjustment mechanism are integrally formed on the same frame member. Then, the optical axis tilt and the optical axis position are adjusted by the tilt adjusting mechanism and the parallel movement adjusting mechanism.
【０００６】本発明の請求項２記載の光学系位置調整可
能な鏡枠は、レンズ若しくは鏡枠の光軸の光学系位置を
調整可能な鏡枠において、上記光軸の傾きを任意の方向
に調整するため、少なくとも一対の弾性部を有し、該弾
性部の変形を利用して傾き調整を行なう傾き調整機構
と、上記光軸を任意の位置に調整するために、少なくと
も一対の弾性部を有し、該弾性部の変形を利用して平行
移動調整を行なう平行移動調整機構とを具備し、上記傾
き調整機構と上記平行移動調整機構とは、同一の枠部材
に一体形成されている。そして、上記傾き調整機構と平
行移動調整機構により光軸の傾き調整、および、光軸位
置調整が行われる。According to a second aspect of the present invention, there is provided a lens frame capable of adjusting the position of an optical system, wherein the tilt of the optical axis is adjusted in an arbitrary direction in a lens frame capable of adjusting the optical system position of the optical axis of the lens or the lens frame. In order to adjust, the device has at least a pair of elastic portions, and a tilt adjusting mechanism that performs tilt adjustment using deformation of the elastic portion, and at least a pair of elastic portions to adjust the optical axis to an arbitrary position. And a translation adjustment mechanism that performs translation adjustment by utilizing the deformation of the elastic portion. The tilt adjustment mechanism and the translation adjustment mechanism are integrally formed on the same frame member. Then, the tilt adjustment of the optical axis and the optical axis position adjustment are performed by the tilt adjustment mechanism and the parallel movement adjustment mechanism.
【０００７】本発明の請求項３記載の光学系位置調整可
能な鏡枠は、レンズ若しくは鏡枠の光軸の光学系位置を
調整可能な鏡枠において、レンズ若しくは鏡枠を保持す
る第１の枠部と、上記第１の枠部を弾性部により支持す
る第２の枠部と、上記第２の枠部を弾性部により支持す
る第３の枠部と、上記第２の枠部に設けられ、上記第１
の枠部に当接してそれぞれ上記光軸の傾きと上記光軸の
平行移動を調節する２つの調整部材と、上記第３の枠部
に設けられ、上記第２の枠部に当接してそれぞれ上記光
軸の傾きと上記光軸の平行移動を調節する２つの調整部
材とを具備しており、上記調整部材により上記第１の枠
部および第２の枠部を介して光軸の傾き調整および光軸
の平行移動調整が行われる。According to a third aspect of the present invention, there is provided a lens frame capable of adjusting the position of an optical system, wherein the lens frame or the lens frame is capable of adjusting the optical system position of the optical axis of the lens frame. A frame portion, a second frame portion supporting the first frame portion by an elastic portion, a third frame portion supporting the second frame portion by an elastic portion, and a second frame portion. And the first
And two adjusting members for adjusting the inclination of the optical axis and the parallel movement of the optical axis, respectively, in contact with the frame portion, and provided in the third frame portion, respectively, in contact with the second frame portion. And two adjusting members for adjusting the tilt of the optical axis and the parallel movement of the optical axis. The adjusting member adjusts the tilt of the optical axis via the first frame portion and the second frame portion. And the parallel movement adjustment of the optical axis is performed.
【０００８】[0008]
【発明の実施の形態】以下、本発明の実施の形態を図に
基づいて説明する。図１は、本発明の第１の実施形態の
光学系位置調整可能な鏡枠の正面図である。また、図２
（Ａ），（Ｂ）は、図１のＡ−Ａ断面図およびＢ−Ｂ断
面図であり、図３は、上記鏡枠の斜視図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of a lens barrel capable of adjusting the position of an optical system according to a first embodiment of the present invention. FIG.
(A) and (B) are AA sectional view and BB sectional view of FIG. 1, and FIG. 3 is a perspective view of the lens barrel.
【０００９】本実施形態の鏡枠１０は、光学部材を有
し、レンズ鏡筒、または、光学機器（カメラ，顕微鏡
等）に組み込まれる鏡枠であり、主に鏡枠本体１と、上
記鏡枠本体１に保持される光学部材（光学素子）である
レンズ２と、鏡枠本体１の外周に固着されるカムフォロ
ア３ａ，３ｂ，３ｃと、位置調整用の調整部材である調
整ネジ５，６，７，８とで構成される。The lens frame 10 of the present embodiment has an optical member and is a lens barrel or a lens frame incorporated in an optical device (camera, microscope, etc.). Lens 2, which is an optical member (optical element) held by frame body 1, cam followers 3a, 3b, 3c fixed to the outer periphery of lens barrel body 1, and adjustment screws 5, 6, which are adjustment members for position adjustment. , 7,8.
【００１０】この鏡枠１０は、鏡枠本体１にレンズ２を
装着したときの光軸のばらつきを修正するための調整、
すなわち、上記レンズ２の光学系位置、すなわち、レン
ズ光軸Ｏの方向（光軸の傾き）の傾き調整と、レンズ光
軸Ｏと直交する方向の光軸位置調整とが可能な鏡枠であ
る。上記調整の基準は、鏡枠本体１の外径部分など鏡枠
の光学機器への装着状態によって選択される。The lens frame 10 is provided for adjustment for correcting variations in the optical axis when the lens 2 is mounted on the lens frame body 1.
That is, it is a mirror frame capable of adjusting the position of the optical system of the lens 2, that is, the inclination of the direction of the lens optical axis O (the inclination of the optical axis) and the adjustment of the optical axis position in the direction orthogonal to the lens optical axis O. . The reference for the adjustment is selected according to the state of attachment of the lens frame to the optical device such as the outer diameter portion of the lens frame body 1.
【００１１】なお、上記レンズ２の光軸Ｏに対して直交
する軸であって、それぞれを互いに直交する軸をＸ軸
（水平），Ｙ軸（垂直）とする。そして、Ｙ軸，Ｘ軸の
交点を点Ｐ0 とする。上記交点Ｐ0 は、光軸Ｏ方向から
見た平面上では、後述する円柱部１ｄ，１ｅ，１ｆ，１
ｇの軸の交点と一致するが、厳密には円柱部１ｇ，１ｆ
の軸心は、構造上の必要から円柱部１ｄ，１ｅの軸心に
対して光軸方向ではわずかにずれがあるものとする。ま
た、鏡枠１０に関して図１上の紙面表側を前面側とし、
図１上の紙面裏側を後面側とする。The axes orthogonal to the optical axis O of the lens 2 and orthogonal to each other are defined as an X axis (horizontal) and a Y axis (vertical). The intersection of the Y axis and the X axis is defined as a point P0. The intersection point P0 is located on a plane viewed from the direction of the optical axis O, and has a cylindrical portion 1d, 1e, 1f, 1 described later.
g coincides with the intersection of the axes g, but strictly speaking, the cylindrical portions 1g, 1f
Is slightly shifted in the optical axis direction from the axis of the cylindrical portions 1d and 1e due to structural necessity. The front side of the mirror frame 10 in FIG.
The back side of the paper in FIG. 1 is the rear side.
【００１２】上記鏡枠本体１は、レンズ２を保持する保
持部材（第１の枠部）であるリング状の内枠１ａと、そ
の外周に隙間を介在して配設される第１の支持枠（第２
の枠）であるリング状の中枠１ｂと、さらにその外周に
隙間を介在して配設される第２の支持枠（第３の枠）で
あるリング状の外枠１ｃと、それらの枠部を連結する後
述の連結部とからなる一体構造の部材である。なお、上
記外枠１ｃの外周３分割位置には、カムフォロア３ａ，
３ｂ，３ｃが固着されている。The lens frame main body 1 has a ring-shaped inner frame 1a as a holding member (first frame portion) for holding the lens 2, and a first support disposed at an outer periphery thereof with a gap interposed therebetween. Frame (2nd
), A ring-shaped middle frame 1b, and a ring-shaped outer frame 1c, which is a second support frame (third frame) disposed on the outer periphery thereof with a gap therebetween, and the frames. It is a member of an integral structure consisting of a connecting portion described below for connecting the portions. Note that the cam followers 3a,
3b and 3c are fixed.
【００１３】上記内枠１ａと中枠１ｂの間は、該枠部と
一体的に形成される部分であって、光軸Ｏを通り、Ｘ軸
に極近接する平行なＸ1 軸上（図２（Ｂ）参照）を左右
方向に延びる弾性変形可能な第１の連結部（平行移動機
構，傾き調整機構）である円柱部１ｆおよび１ｇによっ
て連結されている。なお、Ｘ1 軸の光軸Ｏとの交点を交
点Ｐ1 とする。The portion between the inner frame 1a and the middle frame 1b is a part formed integrally with the frame portion, and is on the parallel X1 axis passing through the optical axis O and very close to the X axis (FIG. 2). (See FIG. 2B) are connected by cylindrical portions 1f and 1g which are elastically deformable first connecting portions (parallel moving mechanism, tilt adjusting mechanism) extending in the left-right direction. The intersection of the X1 axis and the optical axis O is referred to as an intersection P1.
【００１４】さらに、上記中枠１ｂと外枠１ｃの間は、
該枠部と一体的に形成される部分であって、Ｙ軸上を上
下方向に延びる弾性変形可能な第２の連結部（平行移動
機構，傾き調整機構）である円柱部１ｄおよび１ｅによ
って連結されている。Further, between the above-mentioned middle frame 1b and outer frame 1c,
It is a portion formed integrally with the frame portion, and is connected by cylindrical portions 1d and 1e, which are elastically deformable second connecting portions (parallel moving mechanism, tilt adjusting mechanism) extending in the vertical direction on the Y axis. Have been.
【００１５】上記中枠１ｂには、上記円柱部１ｆ，１ｇ
の軸心である上記Ｘ1 軸に直交するＹ1 軸（図２（Ａ）
参照、交点Ｐ1 を通る）に沿って対向して配設される雌
ネジ部１ｎ，１ｋが設けられている。The column 1f, 1g is provided on the middle frame 1b.
Y1 axis perpendicular to the X1 axis (FIG. 2A)
(Passing through the reference point P1).
【００１６】なお、上記雌ネジ部１ｎ，１ｋと円柱部１
ｄ，１ｅとの干渉を避けるため、雌ネジ部１ｎ，１ｋの
軸心であるＹ1 軸とそれに直交するＸ1 軸は、前述した
ようにＸ，Ｙ軸から光軸Ｏ方向で僅かにずれた軸とす
る。The female screw portions 1n and 1k and the cylindrical portion 1
In order to avoid interference with d and 1e, the Y1 axis, which is the axis of the female screw portions 1n and 1k, and the X1 axis orthogonal thereto are slightly shifted in the optical axis O direction from the X and Y axes as described above. And
【００１７】上記外枠１ｃには、Ｘ軸に沿って対向する
雌ネジ部１ｍ，１ｊが設けられている。また、上記外枠
１ｃには上記中枠の雌ネジ部１ｋ，１ｎと対向する部分
に調整ネジ挿通用の切り欠き１ｑ，１ｐが設けられてい
る。The outer frame 1c is provided with female threads 1m and 1j facing each other along the X axis. The outer frame 1c is provided with notches 1q, 1p for inserting adjustment screws in portions facing the female screw portions 1k, 1n of the middle frame.
【００１８】上記中枠１ｂの雌ネジ部１ｋ，１ｎには第
１の調整部材である調整ネジ６，８が螺着され、上記外
枠１ｃの雌ネジ部１ｊ，１ｍには第２の調整部材である
調整ネジ５，７が螺着される。但し、上記調整ネジ５，
６は、平先形状のすり割り付きビスであり、上記調整ネ
ジ７，８は、円錐状の先端のすり割付きビスである。Adjusting screws 6, 8 as first adjusting members are screwed into the female screw portions 1k, 1n of the middle frame 1b, and a second adjusting screw is mounted on the female screw portions 1j, 1m of the outer frame 1c. Adjustment screws 5 and 7, which are members, are screwed. However, the adjustment screws 5,
Numeral 6 denotes a slotted screw having a flat tip shape, and the adjusting screws 7 and 8 are cone-shaped slit-tipped screws.
【００１９】さらに、内枠１ａにはその外周の上側の上
記雌ネジ部１ｎに対向した位置に突出し、Ｙ1 軸上外径
方向に向けて後方側に傾斜する傾き調整機構である傾斜
突起部１ｉが設けられている。また、同様に、中枠１ｂ
にはその外周の左方側の上記雌ネジ部１ｍに対向した位
置に突出し、Ｘ軸上外径方向に向けて後方側に傾斜する
傾き調整機構である傾斜突起部１ｈが設けられている。Further, the inner frame 1a has a slanting projection 1i which is a tilt adjusting mechanism which protrudes at a position facing the female screw portion 1n on the upper side of the outer periphery and is tilted rearward toward the outer radial direction on the Y1 axis. Is provided. Similarly, the middle frame 1b
Is provided with an inclined projection 1h, which is an inclination adjusting mechanism which is projected to a position on the left side of the outer periphery thereof facing the female screw portion 1m and is inclined rearward toward the outer radial direction on the X-axis.
【００２０】なお、本実施形態の鏡枠１０の組み立て直
後の光学系位置未調整状態における初期レンズ光軸位置
Ｐａは、調整目標である光軸Ｏ位置Ｐ0 よりも右下（図
１参照）にずれている。また、初期レンズ光軸方向Ｄａ
（光軸の傾き）は、調整目標の光軸方向Ｄ0 （光軸傾き
角０度）に対して光入射側で右下方向に傾斜している
（図３斜視図参照）。このように初期のずれおよび傾き
に所定の偏倚を持たせるのは、調整範囲内において、上
記調整ネジ５，６および７，８をねじ込んだ状態で常に
その先端が枠外径面および傾斜突起部１ｈ，１ｉに当接
させた状態を保って調整を行うためである。Note that the initial lens optical axis position Pa in the optical system position unadjusted state immediately after the assembly of the lens frame 10 of the present embodiment is lower right (see FIG. 1) than the optical axis O position P0 as an adjustment target. It is out of alignment. Also, the initial lens optical axis direction Da
The (inclination of the optical axis) is inclined downward and to the right on the light incident side with respect to the optical axis direction D0 (optical axis inclination angle 0 °) of the adjustment target (see the perspective view in FIG. 3). The reason why the initial deviation and the inclination are given predetermined deviations is that the adjustment screws 5, 6 and 7, 8 are always screwed in the adjustment range, and the tips of the adjustment screws 5, 6 and 7, 8 are always the outer diameter surface of the frame and the inclined projection 1h. , 1i for adjustment.
【００２１】次に、以上のように構成された本第１の実
施形態の鏡枠１０の光学系位置調整動作について説明す
る。上記調整は、例えば、点光源部と光軸検出用ＣＣＤ
部とからなる調整治具を用いる。そして、上記点光源部
を光入射側に、上記ＣＣＤ部を光出射側にセットし、Ｃ
ＣＤ部の光軸検出信号に基づき、光出射側の光軸の傾き
および光軸位置を検出しながら調整が行われる。Next, the operation of adjusting the position of the optical system of the lens frame 10 of the first embodiment configured as described above will be described. The above adjustment is performed, for example, by using a point light source unit and
An adjustment jig consisting of a part is used. Then, the point light source unit is set on the light incident side, and the CCD unit is set on the light emitting side.
The adjustment is performed while detecting the inclination and the optical axis position of the optical axis on the light emitting side based on the optical axis detection signal of the CD section.
【００２２】鏡枠１０単体で調整する場合、調整ネジ
５，６，７，８をそれぞれ雌ネジ部に螺着し、それぞれ
の調整ネジのねじ込み量を加減して、上記ＣＣＤ部の検
出出力に基づいて、光軸の傾きが調整され、続いて、光
軸位置が調整される。When adjusting the lens frame 10 alone, the adjusting screws 5, 6, 7, and 8 are screwed into the female screw portions, respectively, and the amount of screwing of each adjusting screw is adjusted to adjust the detection output of the CCD portion. Based on this, the tilt of the optical axis is adjusted, and then the optical axis position is adjusted.
【００２３】まず、中枠１ｂの雌ネジ部１ｎに螺合する
調整ネジ８をねじ込み、調整ネジ先端で内枠１ａの傾斜
突起部１ｉの斜面を押圧すると、円柱部１ｆ，１ｇがね
じりにより弾性変形し、内枠１ａが時計回り（図３で右
方から見て）の＋θｘ方向に傾倒する。First, when the adjusting screw 8 screwed into the female screw portion 1n of the middle frame 1b is screwed in and the slope of the inclined projection 1i of the inner frame 1a is pressed by the tip of the adjusting screw, the columnar portions 1f and 1g are elastically twisted. The inner frame 1a is deformed and tilts clockwise (as viewed from the right in FIG. 3) in the + θx direction.
【００２４】さらに、外枠１ｃの雌ネジ部１ｍに螺合す
る調整ネジ７をねじ込み、調整ネジ先端で中枠１ｂの傾
斜突起部１ｈの斜面を押圧すると、円柱部１ｄ，１ｅが
ねじりにより弾性変形し、中枠１ｂが時計回り（図３で
上方から見て）の＋θｙ方向に傾倒する。上述の枠部の
両方向への傾倒により光軸の傾きを目標とする光軸方向
Ｄ0 に合わせる。Further, when the adjusting screw 7 screwed into the female screw portion 1m of the outer frame 1c is screwed and the slope of the inclined projection 1h of the middle frame 1b is pressed with the tip of the adjusting screw, the columnar portions 1d and 1e are elastically twisted. The inner frame 1b is deformed and tilts clockwise (as viewed from above in FIG. 3) in the + θy direction. The tilt of the optical axis is adjusted to the target optical axis direction D0 by tilting the frame in both directions.
【００２５】次に、中枠１ｂの雌ネジ部１ｋに螺合する
調整ネジ６をねじ込み、内枠１ａ外周下部のＹ1 軸上を
押圧すると、円柱部１ｆ，１ｇが剪断若しくは曲げ弾性
変形し、内枠１ａとともにレンズ２が傾斜することなく
Ｙ1 軸上方に平行移動する。Next, when the adjusting screw 6 to be screwed into the female screw portion 1k of the inner frame 1b is screwed in and pressed on the Y1 axis at the lower part of the outer periphery of the inner frame 1a, the cylindrical portions 1f and 1g are sheared or flexurally elastically deformed. The lens 2 moves parallel to the Y1 axis without tilting together with the inner frame 1a.
【００２６】さらに、外枠１ｃの雌ネジ部１ｊに螺合す
る調整ネジ５をねじ込み、中枠１ｂ外周右方のＸ軸上を
押圧すると、円柱部１ｄ，１ｅが剪断若しくは曲げによ
り弾性変形し、中枠１ｂとともにレンズ２が傾斜するこ
となくＸ軸左方に平行移動する。上記両方向への平行移
動によって光軸位置を初期レンズ光軸位置Ｐａから調整
目標の光軸Ｏ位置Ｐ0 へ移動させることができる。その
後、上記各調整ネジを接着固定し、本鏡枠１０の光学系
位置調整が終了する。Further, when the adjusting screw 5 screwed into the female screw portion 1j of the outer frame 1c is screwed and pressed on the X axis on the right side of the outer periphery of the middle frame 1b, the cylindrical portions 1d and 1e are elastically deformed by shearing or bending. The lens 2 moves to the left on the X axis without tilting together with the middle frame 1b. By the parallel movement in both directions, the optical axis position can be moved from the initial lens optical axis position Pa to the optical axis O position P0 as the adjustment target. Thereafter, the above-described respective adjustment screws are bonded and fixed, and the optical system position adjustment of the main lens frame 10 is completed.
【００２７】次に、本実施形態の鏡枠１０をカム環に組
み込んだ状態での光学系位置調整動作について説明す
る。図４は、本鏡枠１０が直進カム環１１に組み込ま
れ、さらに、上記直進カム環１１が回動カム環１２に組
み込み可能なレンズ鏡筒の分解斜視図を示す。Next, a description will be given of the operation of adjusting the position of the optical system in a state where the lens frame 10 of the present embodiment is incorporated in a cam ring. FIG. 4 is an exploded perspective view of a lens barrel in which the lens barrel 10 is incorporated in a rectilinear cam ring 11 and the linear cam ring 11 can be incorporated in a rotary cam ring 12.
【００２８】本鏡枠１０は、そのカムフォロワ３ａ，３
ｂ，３ｃを直進カム環１１の直進溝１１ａ（３箇所）
と、回動カム環１２のカム溝１２ａ，１２ｂ，１２ｃに
摺動自在に嵌入させた状態で上記直進カム環１１、回動
カム環１２に組み込まれる。上記組み込み状態で鏡枠１
０の調整を行う場合、直進カム環１１の４方向に設けら
れる調整用開口１１ｄ，１１ｅ，１１ｆ，１１ｇ、およ
び、回動カム環１１の４方向に設けられる調整用開口１
２ｄ，１２ｅ，１２ｆ，１２ｇを通して螺着されている
調整ネジ５，６，７，８のねじ込み量を調整する。その
調整によって上記光軸の傾き、および、光軸位置を目標
とする傾き、位置にあわせることができる。This mirror frame 10 has its cam followers 3a, 3
b and 3c are inserted into the rectilinear grooves 11a of the rectilinear cam ring 11 (three places).
The rotary cam ring 12 is incorporated into the straight cam ring 11 and the rotary cam ring 12 while being slidably fitted in the cam grooves 12a, 12b, 12c. Mirror frame 1 in the above assembled state
When performing zero adjustment, the adjustment openings 11d, 11e, 11f, and 11g provided in the four directions of the rectilinear cam ring 11 and the adjustment openings 1 provided in the four directions of the rotary cam ring 11 are provided.
The screwing amounts of the adjusting screws 5, 6, 7, 8 screwed through 2d, 12e, 12f, 12g are adjusted. By the adjustment, the inclination of the optical axis and the position of the optical axis can be adjusted to the target inclination and position.
【００２９】本第１の実施の形態の鏡枠１０は、鏡枠本
体１が簡単な一体構造であり、レンズ２の光軸Ｏと直交
する方向の光軸位置と光軸の傾きの双方を調整すること
ができる。そして、上記光軸位置，光軸の傾きは、それ
ぞれほぼ単独で調整することができるので、調整作業が
容易である。In the lens frame 10 of the first embodiment, the lens frame main body 1 has a simple integral structure, and both the optical axis position in the direction orthogonal to the optical axis O of the lens 2 and the tilt of the optical axis are determined. Can be adjusted. The position of the optical axis and the inclination of the optical axis can be adjusted almost independently, so that the adjusting operation is easy.
【００３０】なお、本実施形態の鏡枠１０においては、
上記調整時の円柱部１ｄ，１ｅ、または、１ｆ，１ｇの
変形は、本質的に剪断変形を利用したねじり、および、
一方向への剪断，曲げ等の弾性変形によるが、鏡枠の再
調整を行わないとすれば、塑性変形を利用した調整を行
ってもよい。また、上述した光軸の傾き調整後に、光軸
位置調整を行う調整の順序は、必ずしもこの通りでなく
てもよい。In the lens frame 10 of the present embodiment,
The deformation of the cylindrical portions 1d, 1e or 1f, 1g at the time of the adjustment is torsion using shear deformation, and
Although it depends on elastic deformation such as shearing or bending in one direction, adjustment using plastic deformation may be performed if the lens frame is not readjusted. In addition, the order of the adjustment for adjusting the optical axis position after adjusting the inclination of the optical axis described above does not always have to be the same.
【００３１】次に、本発明の第２の実施形態の光学系位
置調整可能な鏡枠について説明する。図５は、本第２の
実施形態の鏡枠の正面図である。図６は、図５のＡ−Ａ
断面図であり、図７は、図５のＢ−Ｂ断面図である。そ
して、図８は、上記鏡枠の光学装置への取り付け状態の
斜視図である。Next, a description will be given of a lens frame capable of adjusting the position of an optical system according to a second embodiment of the present invention. FIG. 5 is a front view of the lens barrel according to the second embodiment. FIG. 6 is a sectional view taken along the line AA of FIG.
FIG. 7 is a sectional view, and FIG. 7 is a sectional view taken along line BB of FIG. FIG. 8 is a perspective view showing a state in which the lens frame is attached to the optical device.
【００３２】本実施形態の鏡枠２０は、光学部材を有
し、レンズ鏡筒、または、光学機器に組み込まれる鏡枠
であり、主に鏡枠本体２１と、上記鏡枠本体２１に保持
される光学部材（光学素子）であるレンズ２２と、光学
系位置調整用の調整部材である調整ネジ２５，２６，２
７，２８，２９と、鏡枠本体２１を光軸Ｏに沿って進退
駆動する送りネジ３１、および、光軸に沿ってガイドす
るガイド軸３２とで構成される。The lens frame 20 of the present embodiment has an optical member and is a lens barrel or a lens frame incorporated in an optical apparatus. The lens frame 20 is mainly held by the lens frame body 21 and the lens frame body 21. Lens 22, which is an optical member (optical element), and adjustment screws 25, 26, 2 which are adjustment members for adjusting the position of the optical system.
7, 28 and 29, a feed screw 31 for driving the lens barrel main body 21 forward and backward along the optical axis O, and a guide shaft 32 for guiding along the optical axis.
【００３３】この鏡枠２０は、鏡枠本体２１にレンズ２
２を装着したときの光軸のばらつきを修正するための調
整、すなわち、上記レンズ２２の光軸Ｏの傾きと、レン
ズ光軸Ｏと直交する方向の光軸位置の調整（光軸の平行
移動）に加えて、レンズ光軸Ｏ回りのレンズの左右の傾
き（姿勢）の調整が可能な鏡枠である。上記調整の基準
は、鏡枠を支持する送りネジ３１及びガイド軸３２が基
準となる。The lens frame 20 is attached to the lens frame body 21 by the lens 2.
2 to adjust the variation of the optical axis when the lens 2 is mounted, that is, to adjust the inclination of the optical axis O of the lens 22 and the optical axis position in the direction orthogonal to the lens optical axis O (parallel movement of the optical axis). ) Is a mirror frame capable of adjusting the left and right inclination (posture) of the lens around the lens optical axis O. The reference for the adjustment is based on the feed screw 31 and the guide shaft 32 that support the lens frame.
【００３４】なお、上記レンズ２２の光軸Ｏに対して直
交する軸であって、それぞれを互いに直交する軸をＸ軸
（水平），Ｙ軸（垂直）とする。そして、Ｙ軸，Ｘ軸の
交点を点Ｐ0 とする。なお、上記交点Ｐ0 は、光軸Ｏ方
向から見た平面上では、後述する円柱部２１ｄ，２１
ｅ，２１ｆ，２１ｇの軸の交点と一致するが、厳密には
円柱部２１ｇ，２１ｆの軸心は、構造上の必要から円柱
部２１ｄ，２１ｅの軸心に対して光軸に沿った方向にわ
ずかにずれがある。また、鏡枠２０に関して図５上の紙
面表側を前面側とし、図５上の紙面裏側を後面側とす
る。The axes orthogonal to the optical axis O of the lens 22 and orthogonal to each other are defined as an X axis (horizontal) and a Y axis (vertical). The intersection of the Y axis and the X axis is defined as a point P0. The intersection point P0 is located on a plane viewed from the direction of the optical axis O and has a cylindrical portion 21d, 21
e, 21f, and 21g coincide with the intersection of the axes, but strictly speaking, the axis of the cylindrical portions 21g and 21f is in the direction along the optical axis with respect to the axis of the cylindrical portions 21d and 21e due to structural necessity. There is a slight gap. The front side of the lens frame 20 in FIG. 5 is the front side, and the back side of the lens frame 20 in FIG. 5 is the rear side.
【００３５】上記レンズ２２は、Ｌ型形状の複雑な曲面
レンズであり、入射側レンズブロック２２ａと出射側レ
ンズブロック２２ｂとで形成され、入射側レンズブロッ
ク２２ａの入射側光軸を光軸Ｏとし、出射側レンズブロ
ック２２ｂの出射側光軸を光軸Ｏ′とする。上記光軸
Ｏ′は、入射側光軸Ｏと所定距離離間した平行な光軸で
ある。The lens 22 is a complicated curved lens having an L-shape, and is formed by an entrance lens block 22a and an exit lens block 22b. The incident optical axis of the entrance lens block 22a is defined as an optical axis O. The emission-side optical axis of the emission-side lens block 22b is defined as an optical axis O '. The optical axis O ′ is a parallel optical axis separated from the incident-side optical axis O by a predetermined distance.
【００３６】上記鏡枠本体２１は、レンズ２２を保持す
る保持部材（第１の枠部）であるリング状の内枠２１ａ
と、その外周に隙間を介在して配設される第１の支持枠
（第２の枠）であるリング状の中枠２１ｂと、さらにそ
の外周に隙間を介在して配設される第２の支持枠（第３
の枠）であるリング状の外枠２１ｃと、それらの枠部を
連結する後述の連結部とからなる一体構造の部材であ
る。The lens frame main body 21 is a ring-shaped inner frame 21a serving as a holding member (first frame portion) for holding the lens 22.
And a ring-shaped middle frame 21b which is a first support frame (second frame) provided on the outer periphery thereof with a gap therebetween, and a second middle frame 21b provided on the outer periphery thereof with a gap provided therebetween. Support frame (third
The frame is an integrally-structured member that includes a ring-shaped outer frame 21c as a frame and a connecting portion described below that connects the frame portions.
【００３７】上記内枠２１ａと中枠２１ｂの間は、該枠
部と一体的に形成される部分であって、光軸Ｏを通り、
Ｘ軸に近接する平行なＸ1 軸上（図７参照）にて左右方
向に延びる弾性変形可能な第１の連結部（平行移動調整
機構，傾き調整機構）の円柱部２１ｆおよび２１ｇによ
って連結されている。なお、上記Ｘ1 軸と光軸Ｏとの交
点を点Ｐ1 とする。The portion between the inner frame 21a and the middle frame 21b is a part formed integrally with the frame, passes through the optical axis O,
Connected by cylindrical portions 21f and 21g of a first elastically deformable connecting portion (parallel movement adjusting mechanism, tilt adjusting mechanism) extending in the left-right direction on the parallel X1 axis (see FIG. 7) close to the X axis. I have. The point of intersection between the X1 axis and the optical axis O is defined as a point P1.
【００３８】さらに、上記中枠２１ｂと外枠２１ｃの間
は、該枠部と一体的に形成される部分であって、Ｙ軸上
で上下方向に延びる弾性変形可能な第２の連結部（平行
移動調整機構，傾き調整機構）の円柱部２１ｄおよび２
１ｅによって連結されている。Further, the portion between the middle frame 21b and the outer frame 21c is a portion formed integrally with the frame portion, and is a second elastically deformable connecting portion extending vertically in the Y-axis. The cylindrical portions 21d and 2 of the parallel movement adjusting mechanism and the tilt adjusting mechanism)
1e.
【００３９】上記中枠２１ｂには、上記円柱部２１ｆ，
２１ｇの軸心である上記Ｘ1 軸に直交するＹ1 軸（図６
参照、交点Ｐ1 を通る）に沿って対向して配設される雌
ネジ部２１ｎ，２１ｋが設けられている。また、中枠２
１ｂの雌ネジ部２１ｎの右上方側面に調整ネジ当接部２
１ｒが設けられている。The column 21f,
The Y1 axis orthogonal to the X1 axis, which is the axis of 21 g (FIG. 6
(Passing through the intersection P1) (see reference, the intersection P1). Also, middle frame 2
The adjusting screw contact part 2 is provided on the upper right side surface of the female screw part 21n of 1b.
1r is provided.
【００４０】なお、雌ネジ部２１ｎ，２１ｋと円柱部２
１ｄ，２１ｅとの干渉を避けるため、雌ネジ部２１ｎ，
２１ｋの軸心であるＹ1 軸とそれに直交するＸ1 軸は、
前述したようにＸ，Ｙ軸に対して光軸方向に僅かにずれ
た軸とする。The female screw portions 21n and 21k and the cylindrical portion 2
1d, 21e, to avoid interference with
The Y1 axis, which is the axis of 21k, and the X1 axis orthogonal thereto are
As described above, the axis is slightly shifted in the optical axis direction with respect to the X and Y axes.
【００４１】上記外枠２１ｃには、Ｘ軸に沿って対向す
る雌ネジ部２１ｍ，２１ｊが設けられ、また、Ｙ1 軸上
の上記中枠の雌ネジ部２１ｋ，２１ｎと対向する部分に
調整ネジ挿通用の切り欠き２１ｑ，２１ｐが設けられて
いる。さらに、上記外枠２１ｃには、上部右側面部にＸ
軸と平行な水平方向に向けて雌ネジ部２１ｓが設けら
れ、また、右下位置に送りネジ３１が螺合する雌ネジ部
２１ｔと、左上位置にガイド軸３２が嵌入する切り欠き
２１ｕとが設けられている。The outer frame 21c is provided with female screw portions 21m and 21j facing the X axis, and an adjusting screw is provided on a portion of the Y1 axis facing the female screw portions 21k and 21n of the middle frame. Notches 21q and 21p for insertion are provided. Further, the outer frame 21c has an X on the upper right side.
A female screw portion 21s is provided in a horizontal direction parallel to the shaft, and a female screw portion 21t into which the feed screw 31 is screwed is provided at a lower right position, and a notch 21u into which a guide shaft 32 is fitted at an upper left position. Is provided.
【００４２】上記中枠２１ｂの雌ネジ部２１ｋ，２１ｎ
には第１の調整部材である調整ネジ２６，２８が螺着さ
れ、上記外枠２１ｃの雌ネジ部２１ｊ，２１ｍには第２
の調整部材である調整ネジ２５，２７が螺着され、同じ
く外枠２１ｃの雌ネジ部２１ｃには第３の調整部材であ
る調整ネジ２９が螺着される。但し、上記調整ネジ２
５，２６，２９は、平先形状のすり割り付きビスであ
り、上記調整ネジ２７，２８は、円錐状先端を有するす
り割付きビスである。The female screw portions 21k, 21n of the middle frame 21b
Adjustment screws 26 and 28, which are first adjustment members, are screwed into the female screw portions 21j and 21m of the outer frame 21c.
Adjustment screws 25 and 27 are screwed on the female screw 21c of the outer frame 21c, and an adjustment screw 29 is screwed on the third adjustment member. However, the adjustment screw 2
5, 26, and 29 are slotted screws having a flat tip shape, and the adjusting screws 27 and 28 are slotted screws having conical tips.
【００４３】さらに、内枠２１ａにはその外周の上側の
上記雌ネジ部２１ｎに対向した位置に突出し、Ｙ1 軸上
外径方向に向けて後方側に傾斜する傾き調整機構である
傾斜突起部２１ｉが設けられている（図６参照）。ま
た、同様に、中枠２１ｂにはその外周の左方側の上記雌
ネジ部２１ｍに対向した位置に突出し、Ｘ軸上外径方向
に向けて後方側に傾斜する傾き調整機構である傾斜突起
部２１ｈが設けられている（図７参照）。Further, the inner frame 21a has a slanting projection 21i which is a tilt adjusting mechanism which protrudes from the outer periphery of the inner frame 21a at a position opposed to the female screw portion 21n and inclines rearward toward the outer radial direction on the Y1 axis. Is provided (see FIG. 6). Similarly, the middle frame 21b has a slanting projection that is a tilt adjustment mechanism that protrudes to a position facing the female screw portion 21m on the left side of the outer periphery and is tilted rearward toward the outer radial direction on the X-axis. A portion 21h is provided (see FIG. 7).
【００４４】本実施形態の鏡枠２０の組み立て直後の光
学系位置未調整状態においては、光軸Ｏと直交する方向
での初期レンズ光軸位置Ｐａは、調整目標である光軸Ｏ
位置Ｐ0 よりも右下（図５および図８参照）に平行して
ずれている。また、初期レンズ光軸方向Ｄａ（光軸の傾
き）は、調整目標の光軸方向Ｄ0 （光軸傾き角０度）に
対して光入射側で右下方向に傾斜している（図８斜視図
参照）。そして、レンズ光軸Ｏ回りの初期レンズ傾き方
向Ｃａ（光軸Ｏ′の左右のずれ）は、Ｙ′軸（Ｙ軸と平
行方向）に一致する調整目標の光軸Ｏ回り方向 Ｃ0 に
対してわずかに時計回りに傾斜している。In the unadjusted optical system position immediately after the assembly of the lens barrel 20 of this embodiment, the initial lens optical axis position Pa in the direction orthogonal to the optical axis O is the optical axis O which is the adjustment target.
It is shifted in parallel to the lower right (see FIGS. 5 and 8) from the position P0. The initial lens optical axis direction Da (tilt of the optical axis) is inclined downward and to the right on the light incident side with respect to the optical axis direction D0 (optical axis tilt angle of 0 degree) of the adjustment target (see FIG. 8). See figure). The initial lens tilt direction Ca around the lens optical axis O (left-right shift of the optical axis O ') is relative to the adjustment target optical axis O rotation direction C0 that coincides with the Y' axis (parallel to the Y axis). Inclined slightly clockwise.
【００４５】上述のように初期のずれおよび傾きを所定
の方向に偏倚させる理由は、調整範囲内において、上記
調整ネジ２５，２６および２７，２８、さらに、２９を
ねじ込んだ状態で常にその先端が枠外径面および傾斜突
起部２１ｈ，２１ｉ、さらに、ネジ当接面２１ｒに当接
させた状態を保って調整を行うためである。As described above, the reason why the initial deviation and the inclination are deviated in a predetermined direction is that the tips of the adjustment screws 25, 26 and 27, 28, and 29 are constantly screwed in the adjustment range within the adjustment range. This is because the adjustment is performed while maintaining the state of contact with the outer diameter surface of the frame, the inclined protrusions 21h and 21i, and the screw contact surface 21r.
【００４６】次に、以上のように構成された本第２の実
施形態の鏡枠２０の光学系位置調整動作について説明す
る。上記調整は、前記第１の実施形態の場合と同様に点
光源部と光軸検出用ＣＣＤ部とからなる調整治具を用い
るが、上記ＣＣＤ部は、図６，７の光出射側の光軸Ｏ′
上にセットし、光軸Ｏとの相対位置関係を考慮しながら
調整を行うことになる。Next, the operation of adjusting the position of the optical system of the lens frame 20 of the second embodiment having the above-described configuration will be described. The adjustment is performed using an adjustment jig including a point light source unit and an optical axis detection CCD unit as in the case of the first embodiment. Axis O '
It is set on the upper side, and the adjustment is performed in consideration of the relative positional relationship with the optical axis O.
【００４７】本鏡枠２０の光軸系位置調整は、鏡枠本体
２１を送りネジ３１、および、ガイド軸３２により支持
した状態で行う。まず、調整ネジ２５，２６，２７，２
８，２９をそれぞれ雌ネジ部に螺着し、それぞれの調整
ネジのねじ込み量を加減することによって、先に、レン
ズ２２の光軸Ｏ回りの傾き（揺動）が調整され、次い
で、レンズ２２の光軸の傾きが調整され、さらに、レン
ズ２２の光軸位置（平行移動）が調整される。The optical axis position of the lens frame 20 is adjusted while the lens frame body 21 is supported by the feed screw 31 and the guide shaft 32. First, the adjustment screws 25, 26, 27, 2
8 and 29 are screwed into the female screw portions, respectively, and the inclination (oscillation) of the lens 22 around the optical axis O is adjusted first by adjusting the screwing amount of each adjustment screw. Of the optical axis is adjusted, and furthermore, the optical axis position (parallel movement) of the lens 22 is adjusted.
【００４８】詳しく説明すると、まず、外枠２１ｃの雌
ネジ部２１ｓに螺合する調整ネジ２９をねじ込み、中枠
２１ｂの調整ネジ当接部２１ｒを押圧して、円柱部２１
ｄ，２１ｅを剪断若しくは曲げ弾性変形させて、中枠２
１ｂを光軸Ｏ回り方向に傾倒させる。そして、内枠２１
ａに保持されるレンズ２２の光軸Ｏ回りの傾きを目標と
する傾き方向Ｃ0 に合わせるように調整する。More specifically, first, the adjusting screw 29 to be screwed into the female screw portion 21s of the outer frame 21c is screwed, and the adjusting screw abutment portion 21r of the middle frame 21b is pressed, so that the cylindrical portion 21c is pressed.
d, 21e is subjected to shearing or bending elastic deformation to form a middle frame 2
1b is tilted around the optical axis O. And the inner frame 21
Adjustment is made so that the tilt of the lens 22 held at a around the optical axis O matches the target tilt direction C0.
【００４９】次に、中枠２１ｂの雌ネジ部２１ｎに螺合
する調整ネジ２８をねじ込むと、調整ネジ先端で内枠２
１ａの傾斜突起部２１ｉの斜面が押圧され、円柱部２１
ｆ，２１ｇがねじりにより弾性変形し、内枠２１ａが時
計回り（図３で右方から見て）の＋θｘ方向に傾倒す
る。Next, when the adjusting screw 28 screwed into the female screw portion 21n of the middle frame 21b is screwed, the inner frame 2
The slope of the inclined projection 21i of FIG.
f and 21g are elastically deformed by torsion, and the inner frame 21a is tilted clockwise (as viewed from the right in FIG. 3) in the + θx direction.
【００５０】さらに、外枠２１ｃの雌ネジ部２１ｍに螺
合する調整ネジ２７をねじ込むと、調整ネジ先端で中枠
２１ｂの傾斜突起部２１ｈの斜面が押圧されるので円柱
部２１ｄ，２１ｅがねじりにより弾性変形し、中枠２１
ｂが時計回り（図３で上方から見て）の＋θｙ方向に傾
倒する。上記枠部の双方への傾倒によりレンズ光軸の傾
きを目標とする光軸方向Ｄ0 に合わせる。Further, when the adjusting screw 27 screwed into the female screw portion 21m of the outer frame 21c is screwed, the slope of the inclined projection 21h of the middle frame 21b is pressed by the tip of the adjusting screw, so that the cylindrical portions 21d and 21e are twisted. Elastically deformed by the middle frame 21
b tilts in the + θy direction clockwise (as viewed from above in FIG. 3). The tilt of the lens optical axis is adjusted to the target optical axis direction D0 by tilting the frame portion toward both sides.
【００５１】続いて、中枠２１ｂの雌ネジ２１ｋに螺合
する調整ネジ２６をねじ込み、内枠２１ａの外周下部を
Ｙ1 軸上で押圧して、円柱部２１ｆ，２１ｇを剪断若し
くは曲げ弾性変形させる。その変形により内枠１ａとと
もにレンズ２２が傾斜することなく上方に平行移動す
る。Subsequently, the adjusting screw 26 screwed into the female screw 21k of the middle frame 21b is screwed in, and the lower part of the outer periphery of the inner frame 21a is pressed on the Y1 axis to shear or bend and elastically deform the cylindrical portions 21f and 21g. . Due to the deformation, the lens 22 moves upward without being inclined together with the inner frame 1a.
【００５２】さらに、外枠２１ｃの雌ネジ部２１ｊに螺
合する調整ネジ２５をねじ込み、中枠２１ｂの外周右方
をＸ軸上で押圧して円柱部２１ｄ，２１ｅを剪断若しく
は曲げ弾性変形させる。その変形により中枠２１ｂとと
もにレンズ２２が傾斜することなく左方に平行移動す
る。上記両方向への平行移動によって光軸位置を初期レ
ンズ光軸位置Ｐａから調整目標の光軸Ｏ位置Ｐ0 へ移動
させることができる。Further, an adjusting screw 25 to be screwed into the female screw portion 21j of the outer frame 21c is screwed in, and the right side of the outer periphery of the middle frame 21b is pressed on the X axis to shear or bend elastically the column portions 21d and 21e. . Due to the deformation, the lens 22 moves to the left along with the middle frame 21b without tilting. By the parallel movement in both directions, the optical axis position can be moved from the initial lens optical axis position Pa to the optical axis O position P0 as the adjustment target.
【００５３】そして、外枠２１ｃの雌ネジ２１ｓに螺合
する調整ネジ（揺動調整部材）２９をねじ込み、中枠２
１ｂの外周にある当接部２１ｒを押すことによって、主
に円柱部２１ｄの剪断変形と円柱部２１ｅの曲げ変形に
より揺動させることができる。その後、上記各調整ネジ
を接着固定し、本鏡枠２０の光学系位置調整が終了す
る。Then, an adjusting screw (oscillation adjusting member) 29 screwed into the female screw 21s of the outer frame 21c is screwed into the inner frame 2c.
By pressing the contact portion 21r on the outer periphery of 1b, it is possible to swing mainly by the shear deformation of the cylindrical portion 21d and the bending deformation of the cylindrical portion 21e. After that, the above-mentioned respective adjustment screws are adhered and fixed, and the optical system position adjustment of the main lens frame 20 is completed.
【００５４】本第２の実施形態の鏡枠２０によると、前
記第１の実施形態の鏡枠１０と同様に、鏡枠本体１が一
体である簡単な構造を有しており、調整ネジのねじ込み
調整によって、レンズ２２の光軸Ｏと直交する方向の光
軸位置と光軸の傾きを容易に調整することができる。そ
れに加えて、光軸Ｏ回りの傾きを同様に調整ネジのねじ
込み調整によって調整することができる。According to the lens frame 20 of the second embodiment, similarly to the lens frame 10 of the first embodiment, the lens frame body 1 has a simple structure in which the lens frame body 1 is integrated, By the screwing adjustment, the optical axis position and the inclination of the optical axis in the direction orthogonal to the optical axis O of the lens 22 can be easily adjusted. In addition, the inclination around the optical axis O can be similarly adjusted by adjusting the screwing of the adjusting screw.
【００５５】なお、上述の各実施の形態の鏡枠に保持さ
れる光学部材としてレンズ２、または、２２が適用され
ているが、この光学部材としてはレンズ以外にプリズム
やミラー等の光学部材を適用することも可能である。Although the lens 2 or 22 is applied as an optical member held by the lens barrel in each of the above embodiments, an optical member such as a prism or a mirror other than the lens is used as the optical member. It is also possible to apply.
【００５６】また、鏡枠本体には光学部材が未装着状態
であって、基準光学部材を仮装着してその鏡枠の軸心位
置および軸傾斜を調整することも可能である。また、上
述したように光軸回りの傾き調整を経て、光軸の傾き調
整、続いて、光軸位置調整を行う順序は、必ずしもこの
順序に限定する必要はない。Further, when the optical member is not mounted on the lens frame main body, it is also possible to temporarily mount the reference optical member and adjust the axial position and the axial inclination of the lens frame. Further, as described above, the order in which the tilt adjustment of the optical axis is performed through the tilt adjustment about the optical axis, and subsequently, the optical axis position adjustment is not necessarily limited to this order.
【００５７】なお、本実施形態の説明中、レンズの光軸
を、例えば、鏡枠の中心軸に合わせるように説明した
が、他の鏡枠の相対位置が存在すれば必ずしもこの鏡枠
中心に調整する必要はない。要は自在にレンズの光軸を
任意の方向に位置調整できるのである。In the description of this embodiment, the optical axis of the lens has been described as being aligned with, for example, the central axis of the lens frame. However, if there is a relative position of another lens frame, it is not necessarily centered on this lens frame center. No adjustment is required. The point is that the optical axis of the lens can be freely adjusted in any direction.
【００５８】上述の各実施の形態に基づいて、 （１） レンズ若しくは鏡枠の光軸の光学系位置を調整
可能な鏡枠において、レンズ若しくは鏡枠を保持する第
１の枠部と、上記第１の枠部を弾性部により支持する第
２の枠部と、上記第２の枠部を弾性部により支持する第
３の枠部と、上記第２の枠部に設けられ、上記第１の枠
部に当接してそれぞれ上記光軸の傾きと上記光軸の平行
移動を調節する２つの調整部材と、上記第３の枠部に設
けられ、上記第２の枠部に当接してそれぞれ上記光軸の
傾きと上記光軸の平行移動を調節する２つの調整部材
と、上記第３の枠部若しくは第２の枠部に設けられ、上
記光軸に直交する面内で上記第３の枠部を揺動調節する
揺動調整部材と、を具備していることを特徴とする光学
系位置調整可能な鏡枠を提案することができる。Based on each of the above embodiments, (1) a first frame portion for holding a lens or a lens frame in a lens frame in which the optical system position of the optical axis of the lens or the lens frame can be adjusted; A second frame portion supporting the first frame portion by an elastic portion; a third frame portion supporting the second frame portion by an elastic portion; and a first frame portion provided on the second frame portion. And two adjusting members for adjusting the inclination of the optical axis and the parallel movement of the optical axis, respectively, in contact with the frame portion, and provided in the third frame portion, respectively, in contact with the second frame portion. Two adjusting members for adjusting the inclination of the optical axis and the parallel movement of the optical axis; and the third frame or the third frame provided on the second frame and provided in a plane orthogonal to the optical axis. And a swing adjusting member for swing-adjusting the frame portion. Rukoto can.
【００５９】（２） 光学部材と、上記光学部材を保持
する保持部材と、上記保持部材を支持するとともに、上
記保持部材を上記光学部材の光軸の傾きと上記光軸の平
行移動とを行ない変位可能とさせるように変形する変形
部を有する支持部材と、調節を行うときに上記保持部材
と当接して上記変形部を変形させることにより、上記支
持部材に対して上記保持部材を変位させる調節部材と、
を具備することを特徴とする光学系位置調整可能な鏡枠
を提案することができる。(2) The optical member, the holding member for holding the optical member, and the holding member are supported, and the holding member performs the inclination of the optical axis of the optical member and the parallel movement of the optical axis. A support member having a deformable portion that is deformed so as to be displaceable, and an adjustment that displaces the holding member with respect to the support member by abutting the holding member when the adjustment is performed to deform the deformable portion. Components,
It is possible to propose a lens frame capable of adjusting the position of the optical system, comprising:
【００６０】（３） 上記保持部材と上記変形部を含む
支持部材とは、一体に形成されていることを特徴とする
上記（２）記載の光学系位置調整可能な鏡枠を提案する
ことができる。(3) The lens frame capable of adjusting the position of the optical system according to (2), wherein the holding member and the supporting member including the deformed portion are formed integrally. it can.
【００６１】（４） 上記変形部は、弾性部材で形成さ
れていることを特徴とする上記（２）、または、上記
（３）に記載の光学系位置調整可能な鏡枠を提案するこ
とができる。(4) The lens frame capable of adjusting the position of the optical system according to (2) or (3), wherein the deformable portion is formed of an elastic member. it can.
【００６２】（５） 上記保持部材と上記支持部材と
は、上記変形部で連結されていることを特徴とする上記
（２）に記載の光学系位置調整可能な鏡枠を提案するこ
とができる。(5) The lens frame capable of adjusting the position of the optical system according to the above (2), wherein the holding member and the supporting member are connected by the deformed portion. .
【００６３】（６） 光学部材と、上記光学部材を保持
する保持枠と、上記保持枠を上記光学部材の光軸の傾き
と上記光軸の平行移動との変位が可能となるように変形
する第１連結部を有し、上記保持枠を支持する第１の支
持枠と、上記第１の支持枠を上記光学部材の光軸の傾き
と上記光軸の平行移動との変位が可能となるように変形
する第２連結部を有し、上記保持枠を含む上記第１の支
持枠を支持する第２の支持枠と、上記第１の支持枠に調
整操作可能に設けられ、調節を行なうときに上記保持枠
と当接して上記第１連結部を変形させることにより、上
記第１の支持枠に対して上記保持枠を変位させる第１の
調節部材と、上記第２の支持枠に調整操作可能に設けら
れ、調節を行なうときに上記第１の支持枠と当接して上
記第２連結部を変形させることにより、上記第２の支持
枠に対して上記保持枠を含む上記第１の支持枠を変位さ
せる第２の調節部材と、を具備することを特徴とする光
学系位置調整可能な鏡枠を提案することができる。(6) The optical member, the holding frame for holding the optical member, and the holding frame are deformed such that the inclination of the optical axis of the optical member and the translation of the optical axis can be displaced. A first support frame that has a first connection portion and supports the holding frame; and that the first support frame can be displaced by tilting of the optical axis of the optical member and translation of the optical axis. A second support frame for supporting the first support frame including the holding frame, the second support frame including the holding frame, and an adjustable operation provided on the first support frame to perform adjustment A first adjusting member for displacing the holding frame with respect to the first support frame by deforming the first connecting portion by contacting the holding frame, and adjusting the second support frame. Operably provided to abut against the first support frame during adjustment to deform the second coupling portion A second adjusting member for displacing the first support frame including the holding frame with respect to the second support frame. Can be suggested.
【００６４】（７） 上記保持枠と、上記第１及び上記
第２の支持枠と、さらに、上記第１及び上記第２連結部
とは、一体形成されていることを特徴とする上記（６）
に記載の光学系位置調整可能な鏡枠を提案することがで
きる。(7) The above (6), wherein the holding frame, the first and second support frames, and the first and second connecting portions are integrally formed. )
Can be proposed.
【００６５】（８） 上記第１及び上記第２連結部は、
弾性変形可能に形成されていることを特報とする上記
（７）に記載の光学系位置調整可能な鏡枠を提案するこ
とができる。(8) The first and second connecting portions are
The lens frame capable of adjusting the position of the optical system according to the above (7), which is specially reported to be formed so as to be elastically deformable, can be proposed.
【００６６】（９） レンズ若しくは鏡枠の光軸の光学
系位置を調整可能な鏡枠において、上記光軸の傾きを少
なくとも所定方向に調整する傾き調整機構と、上記光軸
を少なくとも所定方向に平行移動させる平行移動調整機
構と、を具備し、上記傾き調整機構と上記平行移動調整
機構とは、同一の枠部材内に含まれていることを特徴と
する光学系位置調整可能な鏡枠を提供することができ
る。(9) In a lens frame in which the optical system position of the optical axis of the lens or the lens frame can be adjusted, a tilt adjusting mechanism for adjusting the tilt of the optical axis in at least a predetermined direction, and the tilt axis in at least a predetermined direction. A translation adjustment mechanism for performing parallel translation, wherein the tilt adjustment mechanism and the translation adjustment mechanism include a lens frame capable of adjusting the position of the optical system, wherein the lens frame is included in the same frame member. Can be provided.
【００６７】（１０） レンズ若しくは鏡枠の光軸の光
学系位置を調整可能な鏡枠において、上記光軸の傾きを
任意の方向に調整するため、少なくとも一対の弾性部を
有し、該弾性部の変形を利用して傾き調整を行なう傾き
調整機構と、上記光軸を任意の位置に調整するために、
少なくとも一対の弾性部を有し、該弾性部の変形を利用
して平行移動調整を行なう平行移動調整機構と、を具備
し、上記傾き調整機構と上記平行移動調整機構とは、同
一の枠部材内に含まれていることを特徴とする光学系位
置調整可能な鏡枠を提供することができる。(10) In a lens frame in which the optical system position of the optical axis of the lens or lens frame can be adjusted, the lens frame has at least one pair of elastic portions in order to adjust the inclination of the optical axis in an arbitrary direction. In order to adjust the optical axis to an arbitrary position, and a tilt adjustment mechanism that performs tilt adjustment using deformation of the part,
A translation adjustment mechanism having at least a pair of elastic portions and performing translation adjustment by utilizing deformation of the elastic portions, wherein the tilt adjustment mechanism and the translation adjustment mechanism are the same frame member. It is possible to provide a lens frame capable of adjusting the position of the optical system, characterized in that the lens frame is included in the lens frame.
【００６８】[0068]
【発明の効果】上述のように本発明の光学系位置調整可
能な鏡枠によれば、光学部材の光軸傾きの調整（光軸を
振る）、および、光軸と直交する平面内での光軸位置と
の調整が容易であり、鏡枠の構造自体も簡単である鏡枠
を提供することができる。As described above, according to the lens frame of the present invention in which the position of the optical system can be adjusted, the inclination of the optical axis of the optical member is adjusted (the optical axis is shaken), and the position of the optical member in the plane orthogonal to the optical axis is adjusted. It is possible to provide a lens frame whose adjustment with the optical axis position is easy and the structure of the lens frame itself is simple.
【図１】本発明の第１の実施形態の光学系位置調整可能
な鏡枠の正面図。FIG. 1 is a front view of a lens barrel capable of adjusting an optical system position according to a first embodiment of the present invention.
【図２】図２（Ａ）は、図１のＡ−Ａ断面図であり、図
２（Ｂ）は、図１のＢ−Ｂ断面図。FIG. 2A is a cross-sectional view taken along the line AA of FIG. 1, and FIG. 2B is a cross-sectional view taken along the line BB of FIG.
【図３】上記第１の実施形態の鏡枠の斜視図。FIG. 3 is a perspective view of a lens frame according to the first embodiment.
【図４】上記第１の実施形態の鏡枠のカム環組み込み状
態での分解斜視図。FIG. 4 is an exploded perspective view of the lens frame of the first embodiment in a state where the cam ring is assembled.
【図５】本発明の第２の実施形態の光学系位置調整可能
な鏡枠の正面図。FIG. 5 is a front view of a lens frame capable of adjusting an optical system position according to a second embodiment of the present invention.
【図６】図５のＡ−Ａ断面図。FIG. 6 is a sectional view taken along the line AA of FIG. 5;
【図７】図５のＢ−Ｂ断面図。FIG. 7 is a sectional view taken along the line BB of FIG. 5;
【図８】上記第２の実施形態の鏡枠の光学装置取り付け
状態での斜視図。FIG. 8 is a perspective view of the lens barrel of the second embodiment in a state where the optical device is attached.
２，２２……レンズ １ａ，２１ａ……内枠（第１の枠部） １ｂ，２１ｂ……中枠（第２の枠部） １ｃ，２１ｃ……外枠（第３の枠部） １ｄ，１ｅ，１ｆ，１ｇ，２１ｄ，２１ｅ，２１ｆ，２
１ｇ……円柱部（弾性部） ５，６，７，８，２５，２６，２７，２８……調整ネジ
（調整部材） １ｊ，１ｋ，２１ｊ，２１ｋ……雌ネジ部（平行移動調
整機構） １ｍ，１ｎ，２１ｍ，２１ｎ……雌ネジ部（傾き調整機
構）2, 22 Lens 1a, 21a Inner frame (first frame) 1b, 21b Middle frame (second frame) 1c, 21c Outer frame (third frame) 1d, 1e, 1f, 1g, 21d, 21e, 21f, 2
1g ... cylindrical part (elastic part) 5, 6, 7, 8, 25, 26, 27, 28 ... adjustment screw (adjustment member) 1j, 1k, 21j, 21k ... female screw part (parallel movement adjustment mechanism) 1m, 1n, 21m, 21n ... female screw part (tilt adjusting mechanism)
Claims (3)
を調整可能な鏡枠において、 上記光軸の傾きを少なくとも所定方向に調整する傾き調
整機構と、 上記光軸を少なくとも所定方向に平行移動させる平行移
動調整機構と、 を具備し、上記傾き調整機構と上記平行移動調整機構と
は、同一の枠部材に一体形成されていることを特徴とす
る光学系位置調整可能な鏡枠。1. A lens frame capable of adjusting an optical system position of an optical axis of a lens or a lens frame, a tilt adjusting mechanism for adjusting a tilt of the optical axis in at least a predetermined direction, and a parallelism of the optical axis in at least a predetermined direction. A translation adjustment mechanism for moving the lens, wherein the tilt adjustment mechanism and the translation adjustment mechanism are integrally formed on the same frame member.
を調整可能な鏡枠において、 上記光軸の傾きを任意の方向に調整するため、少なくと
も一対の弾性部を有し、該弾性部の変形を利用して傾き
調整を行なう傾き調整機構と、 上記光軸を任意の位置に調整するために、少なくとも一
対の弾性部を有し、該弾性部の変形を利用して平行移動
調整を行なう平行移動調整機構と、 を具備し、上記傾き調整機構と上記平行移動調整機構と
は、同一の枠部材に一体形成されていることを特徴とす
る光学系位置調整可能な鏡枠。2. A lens frame in which an optical system position of an optical axis of a lens or a lens frame can be adjusted, the lens frame having at least one pair of elastic portions for adjusting the inclination of the optical axis in an arbitrary direction. And a tilt adjustment mechanism for performing tilt adjustment using the deformation of the optical axis, and at least a pair of elastic portions for adjusting the optical axis to an arbitrary position, and performing translation adjustment using the deformation of the elastic portions. And a parallel movement adjusting mechanism, wherein the tilt adjusting mechanism and the parallel movement adjusting mechanism are integrally formed on the same frame member.
を調整可能な鏡枠において、 レンズ若しくは鏡枠を保持する第１の枠部と、 上記第１の枠部を弾性部により支持する第２の枠部と、 上記第２の枠部を弾性部により支持する第３の枠部と、 上記第２の枠部に設けられ、上記第１の枠部に当接して
それぞれ上記光軸の傾きと上記光軸の平行移動を調節す
る２つの調整部材と、 上記第３の枠部に設けられ、上記第２の枠部に当接して
それぞれ上記光軸の傾きと上記光軸の平行移動を調節す
る２つの調整部材と、 を具備していることを特徴とする光学系位置調整可能な
鏡枠。3. A lens frame capable of adjusting an optical system position of an optical axis of a lens or a lens frame, a first frame portion holding the lens or the lens frame, and the first frame portion supported by an elastic portion. A second frame portion, a third frame portion supporting the second frame portion by an elastic portion, and the optical axis provided on the second frame portion and in contact with the first frame portion, respectively. Two adjusting members for adjusting the inclination of the optical axis and the parallel movement of the optical axis; and the inclination member and the inclination of the optical axis, which are provided on the third frame and abut on the second frame, respectively. A lens frame capable of adjusting the position of an optical system, comprising: two adjusting members for adjusting movement.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11009324A JP2000206389A (en) | 1999-01-18 | 1999-01-18 | Lens-frame to allow positional adjustment for optical system |
| US09/469,763 US6262853B1 (en) | 1998-12-25 | 1999-12-22 | Lens barrel having deformable member |
| CNB991265750A CN1171106C (en) | 1998-12-25 | 1999-12-24 | Lens cone apparatus |
| CNB2004100683334A CN1329760C (en) | 1998-12-25 | 1999-12-24 | Lens barrel |
| US09/872,043 US6411448B2 (en) | 1998-12-25 | 2001-06-01 | Lens barrel |
| US10/141,209 US6556362B2 (en) | 1998-12-25 | 2002-05-07 | Lens barrel |
| US10/351,676 US6661589B2 (en) | 1998-12-25 | 2003-01-23 | Lens barrel |
| US10/712,503 US6768599B2 (en) | 1998-12-25 | 2003-11-13 | Lens barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11009324A JP2000206389A (en) | 1999-01-18 | 1999-01-18 | Lens-frame to allow positional adjustment for optical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000206389A true JP2000206389A (en) | 2000-07-28 |
Family
ID=11717306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11009324A Withdrawn JP2000206389A (en) | 1998-12-25 | 1999-01-18 | Lens-frame to allow positional adjustment for optical system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000206389A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002131605A (en) * | 2000-08-18 | 2002-05-09 | Nikon Corp | Holding device, optical element holding device, lens barrel, exposure device and method for manufacturing microdevice |
| JP2002156284A (en) * | 2000-11-20 | 2002-05-31 | Ishizuka Electronics Corp | Infrared temperature sensor |
| JP2005331541A (en) * | 2004-05-18 | 2005-12-02 | Dainippon Printing Co Ltd | Apparatus and system for adjusting optical axis |
| JP2006091725A (en) * | 2004-09-27 | 2006-04-06 | Nalux Co Ltd | Optical apparatus including laser light source, and method for adjusting the same |
| JPWO2004109357A1 (en) * | 2003-06-06 | 2006-07-20 | 株式会社ニコン | Optical element holding device, lens barrel, exposure apparatus, and device manufacturing method |
| US7139137B2 (en) | 2003-05-21 | 2006-11-21 | Canon Kabushiki Kaisha | Support mechanism, exposure apparatus having the same, and aberration reducing method |
| EP1821125A1 (en) * | 2006-02-20 | 2007-08-22 | Canon Kabushiki Kaisha | Lens apparatus and optical apparatus |
| CN102565979A (en) * | 2010-12-17 | 2012-07-11 | 上海航天设备制造总厂 | Accurate adjustment mechanism for optical frame |
| CN113009664A (en) * | 2021-03-09 | 2021-06-22 | 中国人民解放军32801部队 | Adjusting device for adjusting optical element, optical element and adjusting method thereof |
| CN114859541A (en) * | 2021-03-26 | 2022-08-05 | 郑州思昆生物工程有限公司 | Lighting device and position adjusting structure of fluorescence microscopic imaging system |
-
1999
- 1999-01-18 JP JP11009324A patent/JP2000206389A/en not_active Withdrawn
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002131605A (en) * | 2000-08-18 | 2002-05-09 | Nikon Corp | Holding device, optical element holding device, lens barrel, exposure device and method for manufacturing microdevice |
| JP2002156284A (en) * | 2000-11-20 | 2002-05-31 | Ishizuka Electronics Corp | Infrared temperature sensor |
| JP4628540B2 (en) * | 2000-11-20 | 2011-02-09 | 石塚電子株式会社 | Infrared temperature sensor |
| US7139137B2 (en) | 2003-05-21 | 2006-11-21 | Canon Kabushiki Kaisha | Support mechanism, exposure apparatus having the same, and aberration reducing method |
| US7746575B2 (en) | 2003-05-21 | 2010-06-29 | Canon Kabushiki Kaisha | Support mechanism, exposure apparatus having the same, and aberration reducing method |
| JPWO2004109357A1 (en) * | 2003-06-06 | 2006-07-20 | 株式会社ニコン | Optical element holding device, lens barrel, exposure apparatus, and device manufacturing method |
| US7764447B2 (en) | 2003-06-06 | 2010-07-27 | Nikon Corporation | Optical element holding device, lens barrel, exposing device, and device producing method |
| JP4566622B2 (en) * | 2004-05-18 | 2010-10-20 | 大日本印刷株式会社 | Optical axis adjustment device and optical axis automatic adjustment system |
| JP2005331541A (en) * | 2004-05-18 | 2005-12-02 | Dainippon Printing Co Ltd | Apparatus and system for adjusting optical axis |
| JP2006091725A (en) * | 2004-09-27 | 2006-04-06 | Nalux Co Ltd | Optical apparatus including laser light source, and method for adjusting the same |
| EP1821125A1 (en) * | 2006-02-20 | 2007-08-22 | Canon Kabushiki Kaisha | Lens apparatus and optical apparatus |
| US7420748B2 (en) | 2006-02-20 | 2008-09-02 | Canon Kabushiki Kaisha | Lens apparatus and optical apparatus |
| CN102565979A (en) * | 2010-12-17 | 2012-07-11 | 上海航天设备制造总厂 | Accurate adjustment mechanism for optical frame |
| CN113009664A (en) * | 2021-03-09 | 2021-06-22 | 中国人民解放军32801部队 | Adjusting device for adjusting optical element, optical element and adjusting method thereof |
| CN114859541A (en) * | 2021-03-26 | 2022-08-05 | 郑州思昆生物工程有限公司 | Lighting device and position adjusting structure of fluorescence microscopic imaging system |
| CN114859541B (en) * | 2021-03-26 | 2024-01-26 | 郑州思昆生物工程有限公司 | Lighting device and position adjustment structure of fluorescence microscopic imaging system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20060404 |