JPH0894899A - Optical equipment - Google Patents
Optical equipmentInfo
- Publication number
- JPH0894899A JPH0894899A JP22642494A JP22642494A JPH0894899A JP H0894899 A JPH0894899 A JP H0894899A JP 22642494 A JP22642494 A JP 22642494A JP 22642494 A JP22642494 A JP 22642494A JP H0894899 A JPH0894899 A JP H0894899A
- Authority
- JP
- Japan
- Prior art keywords
- shake
- lens
- detecting means
- barrel
- optical axis
- 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.)
- Pending
Links
Landscapes
- Lens Barrels (AREA)
- Adjustment Of Camera Lenses (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、自動焦点調節機構等の
レンズの位置調節機構及び撮影時の手振れ量を検出する
振れ検出手段を有するレンズ鏡筒等の光学機器に関し、
特にそれらの配置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical device such as a lens barrel having a lens position adjusting mechanism such as an automatic focus adjusting mechanism and a shake detecting means for detecting the amount of camera shake during photographing.
In particular, it relates to their arrangement.
【０００２】[0002]
【従来の技術】従来、銀塩カメラやビデオカメラ等の撮
影装置は露出決定やピト合せなどの作業が全て自動化さ
れている為、カメラ操作に未熟な人でも撮影失敗を起す
可能性は非常に少なくなっているが、カメラ振れによる
撮影だけは自動的に防ぐことは困難であった。2. Description of the Related Art Conventionally, in a photographing device such as a silver halide camera or a video camera, all operations such as exposure determination and pit adjustment are automated, so that even a person who is inexperienced in operating a camera is highly likely to fail in photographing. Although it has decreased, it was difficult to automatically prevent only shooting due to camera shake.
【０００３】しかしながら、近年、カメラのぶれに起因
する像ぶれを補正するぶれ補正機能を有する撮影装置も
いくつか実用化されている。However, in recent years, some photographing apparatuses having a blur correction function for correcting image blur caused by camera blur have been put into practical use.
【０００４】カメラにおいて、像ぶれを生じる主たる原
因は撮影時の手振れであり、従って、像ぶれを抑えるた
めには撮影時の手振れ振動を正確に検出できることが不
可欠である。また、カメラの手振れ振動は１Ｈｚ乃至１
２Ｈｚの低周波振動であるため、このような低周波振動
を瞬時に正確に検出できる振れ検出手段が必要となる。In a camera, the main cause of image blur is camera shake during shooting. Therefore, in order to suppress image blur, it is essential to be able to accurately detect camera shake during shooting. Also, camera shake vibration is 1 Hz to 1 Hz.
Since it is a low frequency vibration of 2 Hz, a shake detecting means capable of instantaneously and accurately detecting such a low frequency vibration is required.
【０００５】従来、上記振れ検出手段はレンズ鏡筒に搭
載する位置としてレンズ鏡筒先端部が最も好ましいと考
えられてきた。それは、レンズ鏡筒の先端部ではカメラ
振れによる振幅が最も大きいために振れ検出手段の検出
が容易であるという理由によるものであった。Conventionally, it has been considered that the tip of the lens barrel is most preferable as the position for mounting the shake detecting means on the lens barrel. This is because the shake detection means can easily detect the vibration at the tip of the lens barrel due to the camera shake.
【０００６】[0006]
【発明が解決しようとする課題】上記のような振れ検出
手段をレンズ鏡筒に搭載するとレンズ鏡筒が径方向に大
型化するという問題点があった。When the shake detecting means as described above is mounted on the lens barrel, there is a problem that the lens barrel becomes large in the radial direction.
【０００７】[0007]
【課題を解決するための手段】本発明は、上述した問題
点を解決するために、請求項１に示した本発明は、レン
ズを光軸方向に移動させるための駆動手段と、機器のぶ
れを検出するための検出手段とを機器の光軸方向に垂直
な実質的同一面内に配置したことを最も主要な特徴とす
る。In order to solve the above-mentioned problems, the present invention according to claim 1 provides a driving means for moving a lens in the optical axis direction and a shake of a device. The most main feature is that the detecting means for detecting the is arranged in substantially the same plane perpendicular to the optical axis direction of the device.
【０００８】それにより、駆動手段を配置するためにで
きた空きスペースにぶれ検出手段が配置されることによ
り、駆動手段を配置するために決められた径方向の大き
さを変えることなくぶれ検出手段を機器に搭載すること
ができるようになる。Accordingly, the blur detecting means is arranged in the empty space formed for disposing the drive means, so that the shake detecting means can be provided without changing the radial size determined for disposing the drive means. Can be installed in the device.
【０００９】更に、請求項２に示した本発明は、前記実
質的同一面内の前記駆動手段及び前記検出手段に干渉し
ない位置に実装基板上の電気素子を配置したことを特徴
とする。それにより、電気素子の配置を含めたより効率
的な配置が可能になる。Further, the present invention according to claim 2 is characterized in that the electric element on the mounting board is arranged at a position not interfering with the driving means and the detecting means in the substantially same plane. As a result, more efficient arrangement including the arrangement of electric elements becomes possible.
【００１０】[0010]
【実施例】以下図面に従って本実施例を説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS This embodiment will be described below with reference to the drawings.
【００１１】図１は、振れ検出手段及び振れ補正装置及
びレンズ駆動手段を組込んだズームレンズの光軸を含む
面での断面図であり、図２は、振れ検出手段、レンズ駆
動手段及び、実装基板の配置を示すもので、ズームレン
ズの光軸に垂直な面での断面図の要部である。図３は実
装基板を示す平面図で、基板面の垂直方向に比較的高い
素子を示したものである。FIG. 1 is a sectional view taken along a plane including an optical axis of a zoom lens incorporating a shake detecting means, a shake correcting device and a lens driving means, and FIG. 2 is a shake detecting means, a lens driving means, and FIG. 11 is a main part of a cross-sectional view taken along a plane perpendicular to the optical axis of the zoom lens, showing the arrangement of the mounting substrate. FIG. 3 is a plan view showing the mounting board, showing relatively high elements in the direction perpendicular to the board surface.
【００１２】図１において、Ｉ〜ＩＶは光学レンズを示
し、各々１群鏡筒１、後述する振れ補正ユニット２の構
成要素であるレンズ保持鏡筒２０１、３群鏡筒３、４群
鏡筒４に固着されている。In FIG. 1, I to IV denote optical lenses, each of which is a lens barrel 1 for the first lens group, a lens holding lens barrel 201, which is a component of a shake correction unit 2 to be described later, a third lens barrel 3, and a fourth lens barrel. It is fixed to 4.
【００１３】５は外筒を示し、図示しないカメラ本体と
固定されるマウント６が固着されている。７は固定筒を
示し、外筒５にビスにより固着されている。８はズーム
カム筒を示し、ズーム操作環９と一体的に光軸回りに回
転自由に保持されている。Reference numeral 5 denotes an outer cylinder, to which a mount 6 which is fixed to a camera body (not shown) is fixed. Reference numeral 7 denotes a fixed cylinder, which is fixed to the outer cylinder 5 with screws. Reference numeral 8 denotes a zoom cam barrel, which is held integrally with the zoom operation ring 9 so as to be rotatable about the optical axis.
【００１４】１群共通１には、キー１ａが取付けられ、
キー１ａはズームカム筒８のカム溝８ａ及び、固定筒７
の直進溝７ａに係合している。また、振れ補正ユニット
２は、光軸に垂直な面内で動いて振れ補正を行うための
可動部２０１（振れ補正レンズＩＩを含む）及びベース
部材２０２から成る。また、そのベース部材２０２に
は、コロ２０３が固定され、さらに、そのコロ２０３は
ズームカム筒８のカム溝８ｂ及び固定筒７の直進溝７ｂ
に係合している。従って、ズーム操作環９の回転操作に
より、ズームカム筒８も回転し、周知のカム機構によ
り、１群鏡筒１及び、振れ補正ユニット２は光軸方向に
移動する。A key 1a is attached to the group common 1
The key 1a is used for the cam groove 8a of the zoom cam barrel 8 and the fixed barrel 7.
Is engaged with the straight groove 7a. The shake correction unit 2 is composed of a movable portion 201 (including a shake correction lens II) and a base member 202 that move in a plane perpendicular to the optical axis to perform shake correction. Further, a roller 203 is fixed to the base member 202, and the roller 203 further includes a cam groove 8b of the zoom cam barrel 8 and a straight-moving groove 7b of the fixed barrel 7.
Is engaged with. Therefore, the zoom cam barrel 8 is also rotated by the rotation operation of the zoom operation ring 9, and the first group lens barrel 1 and the shake correction unit 2 are moved in the optical axis direction by a known cam mechanism.
【００１５】図１はワイド状態を示し、テレ側に操作す
ることによっで第１群鏡筒１は前方へ、振れ補正ユニッ
ト２は後方へ移動する。FIG. 1 shows a wide state, in which the first group barrel 1 is moved forward and the shake correction unit 2 is moved backward by operating the telephoto side.
【００１６】１０は、フォーカスカム筒を示し、固定筒
７の内周で回転及び光軸方向に移動可能に保持されてい
る。フォーカスカム筒１０はズームカム筒８に固定した
ズームキー８ｃが直進溝１０ａに係合し、また、固定筒
７に配置したピン７ｃが、カム溝１０ｂに係合すること
により、ズームカム筒８の回転とともに、回転しながら
光軸方向に移動する。Reference numeral 10 denotes a focus cam barrel, which is held on the inner circumference of the fixed barrel 7 so as to be rotatable and movable in the optical axis direction. In the focus cam barrel 10, the zoom key 8c fixed to the zoom cam barrel 8 engages with the straight advance groove 10a, and the pin 7c arranged on the fixed barrel 7 engages with the cam groove 10b. , While rotating, moving in the direction of the optical axis.
【００１７】３群鏡筒３は、コロ３ａを有し、コロ３ａ
はフォーカスカム筒１０のカム溝１０ｃ及び、固定筒７
の外周に定位置回転可能に保持されたフォーカス駆動筒
１１に設けた直進溝１１ａに係合している。フォーカス
駆動筒１１は、後部にギヤ１１ｂを有し、モータ１２の
回転力が、減速ギヤ列１３を介して、フォーカス駆動筒
１１に伝えられ、フォーカス駆動筒１１の回転により、
カム機構により３群鏡筒３が光軸方向に移動し、焦点調
節が行われる。The third group lens barrel 3 has a roller 3a, and the roller 3a
Is the cam groove 10c of the focus cam barrel 10 and the fixed barrel 7.
It engages with a straight-moving groove 11a provided in the focus drive barrel 11 which is rotatably held on the outer periphery of the focus drive barrel 11. The focus drive barrel 11 has a gear 11b at the rear part thereof, and the rotational force of the motor 12 is transmitted to the focus drive barrel 11 via the reduction gear train 13, and the focus drive barrel 11 is rotated.
The cam mechanism moves the third group lens barrel 3 in the optical axis direction to perform focus adjustment.
【００１８】４群鏡筒４は前端に公知の絞りユニット１
４を保持し、固定筒７に固定されている。The fourth group lens barrel 4 has a known diaphragm unit 1 at its front end.
4 is held and is fixed to the fixed cylinder 7.
【００１９】１５は、電気部品を配置した実装基板を示
し、焦点調節、絞り駆動、及び、振れ補正ユニットを図
示しないカメラ本体からの通信により制御するものであ
る。Reference numeral 15 denotes a mounting substrate on which electric parts are arranged, and controls the focus adjustment, diaphragm drive, and shake correction unit by communication from a camera body (not shown).
【００２０】１９は、振れ補正を行うか、否かを切り換
えるスイッチで、スイッチ１９がオンの状態で、カメラ
本体との通信情報により、振れ補正ユニットの駆動制御
が可能となる。Reference numeral 19 denotes a switch for switching whether or not to perform shake correction. When the switch 19 is on, it is possible to control the drive of the shake correction unit based on communication information with the camera body.
【００２１】２０は、手振れ等のカメラ振れを検出する
為の振動センサ（振れ検出手段）を示し、本実施例では
振動ジャイロを用いて、角速度を検出している。センサ
２０は、センサ保持枠２１によりパッチン止めされ、固
定筒７へ取り付けられる。Reference numeral 20 denotes a vibration sensor (shake detecting means) for detecting camera shake such as camera shake. In this embodiment, a vibration gyro is used to detect the angular velocity. The sensor 20 is patched by the sensor holding frame 21 and attached to the fixed barrel 7.
【００２２】又、センサ２０はレンズ鏡筒をカメラ本体
に装着した際、カメラの縦方向（ピッチ方向）の回転振
れ、及び、横方向（ヨー方向）の回転振れを検出できる
ように、固定筒７の外周部に下面と側面に各々１ヶずつ
配置されている。各々のセンサは、実装基板１５の防振
制御回路と電気配線が行われており（不図示）センサ出
力は、防振制御回路にて角変位に変換され、さらに焦点
距離情報、被写体距離情報等を加えて、補正レンズの偏
心量が算出され、振れ補正ユニット２が駆動制御され
る。Further, the sensor 20 is a fixed barrel so that when the lens barrel is mounted on the camera body, rotational shake in the vertical direction (pitch direction) and rotational shake in the horizontal direction (yaw direction) of the camera can be detected. One is provided on each of the lower surface and the side surface of the outer peripheral portion of 7. Each sensor is electrically connected to the image stabilization control circuit of the mounting board 15 (not shown), and the sensor output is converted into an angular displacement by the image stabilization control circuit, and further focal length information, subject distance information, etc. In addition, the decentering amount of the correction lens is calculated, and the shake correction unit 2 is drive-controlled.
【００２３】図１は、前述した様にワイド状態を示し、
テレ側に操作する事により１群鏡筒を前方へ、振れ補正
ユニット２は後方へ移動する為に、センサ２０（振れ検
出手段）を、レンズ鏡筒先端部に配置する事はズームレ
ンズでは困難であり、配置しようとするとレンズ鏡筒の
外径が大きくなってしまう。FIG. 1 shows the wide state as described above,
It is difficult for the zoom lens to dispose the sensor 20 (shake detecting means) at the tip of the lens barrel because the first group barrel moves forward and the shake correction unit 2 moves backward by operating the telephoto side. Therefore, the outer diameter of the lens barrel becomes large when it is arranged.
【００２４】本実施例では、焦点調節用のレンズ駆動手
段と、振れ検出手段を略同一スラスト位置に配置する為
に、図１に示す実装基板１５に実装された高い素子（コ
イル等）１５ａ，１５ｂ，１５ｃをレンズ駆動手段及び
振れ検出手段とスラスト方向（光軸方向）で干渉しない
様に配置することによりスペース効率のよい配置を実現
している。In this embodiment, since the lens driving means for focus adjustment and the shake detecting means are arranged at substantially the same thrust position, high elements (coils etc.) 15a mounted on the mounting board 15 shown in FIG. By arranging 15b and 15c so as not to interfere with the lens driving means and the shake detecting means in the thrust direction (optical axis direction), a space-efficient arrangement is realized.
【００２５】図３は、マウント６側から見た状態の実装
基板１５を示す図で、基板面の垂直方向に比較的高い素
子のみを示したものである。FIG. 3 is a view showing the mounting substrate 15 as viewed from the mount 6 side, showing only the elements relatively high in the direction perpendicular to the substrate surface.
【００２６】同図において実線で示した１５ｄは振れ補
正ユニット２及びレンズ駆動モータ１２等のフレキシブ
ルプリント配線基板と接続するコネクタであり、実装基
板１５よりマウント６側に配置されている。破線で示す
１５ｅはカメラ本体と通信を行い、レンズ駆動・絞り駆
動・防振等の制御を行うマイコンであり実装基板１５よ
りレンズ駆動手段側に配置されている。Reference numeral 15d shown by a solid line in the figure is a connector for connecting to the shake correction unit 2 and the flexible printed wiring board such as the lens driving motor 12 and is arranged closer to the mount 6 than the mounting board 15. Reference numeral 15e indicated by a broken line is a microcomputer that communicates with the camera body and controls lens driving, diaphragm driving, image stabilization, etc., and is disposed on the lens driving means side of the mounting substrate 15.
【００２７】同じく、１５ａ，１５ｂ，１５ｃはレンズ
駆動手段側に配置された特に高い素子（コイル等）であ
る。Similarly, 15a, 15b and 15c are particularly high elements (coils etc.) arranged on the lens driving means side.
【００２８】図２は、レンズ駆動手段、振れ検出手段及
び実装基板１５の位相配置を示すものであって、光軸に
垂直な面での断面をしたマウント６側から見た状態を示
す断面図である。FIG. 2 shows the phase arrangement of the lens driving means, the shake detecting means, and the mounting substrate 15, and is a sectional view showing a state as seen from the mount 6 side taken along a plane perpendicular to the optical axis. Is.
【００２９】同図に示される様に、ギヤ列１３の空き位
相スペースに振れ検出センサ２０を略９０°に配置し、
更には実装基板１５の高い素子１５ａ，１５ｂ，１５ｃ
を空きスペースに配置する事により、レンズ駆動手段及
び振れ検出手段とのスラスト方向（光軸方向）の干渉を
防ぎ、ズームレンズ鏡筒としてのスペース効率の良い配
置を行っている。As shown in the figure, the shake detection sensor 20 is arranged at about 90 ° in the empty phase space of the gear train 13,
Further, the high elements 15a, 15b, 15c of the mounting board 15
By arranging the lens in an empty space, interference with the lens driving means and the shake detection means in the thrust direction (optical axis direction) is prevented, and the space is efficiently arranged as the zoom lens barrel.
【００３０】なお、上述の各実施例において、光学レン
ズＩまたはＩＩＩまたはＩＶが本発明の光学手段に、モ
ータ１２が本発明の駆動手段に振動ジャイロ２０が本発
明のぶれ検出手段に、素子１５ａまたは１５ｂまたは１
５ｃが本発明の電気素子にそれぞれ相当する。In each of the above embodiments, the optical lens I, III or IV is the optical means of the present invention, the motor 12 is the driving means of the present invention, the vibration gyro 20 is the shake detecting means of the present invention, and the element 15a. Or 15b or 1
5c respectively correspond to the electric element of the present invention.
【００３１】尚、以上が実施例の各構成と本発明の各構
成の対応関係であるが、本発明は、これら実施例の構成
に限られるものではなく、請求項で示した機能、また
は、実施例の構成が持つ機能が達成できる構成であれば
どのようなものであってもよいことは言うまでもない。The above is the correspondence relationship between each configuration of the embodiments and each configuration of the present invention, but the present invention is not limited to the configurations of these embodiments, and the functions shown in the claims or It goes without saying that any structure may be used as long as the functions of the structure of the embodiment can be achieved.
【００３２】また、本発明は、クレームまたは実施例の
構成の全体もしくは一部が一つの装置を形成するような
ものであっても、他の装置と結合するようなものであっ
ても、装置を構成する要素となるようなものであっても
よい。In addition, the present invention may be applied to a device in which all or part of the configuration of the claims or the embodiments forms one device or is combined with another device. May be an element that constitutes the.
【００３３】また、本発明は、上述の実施例に示した交
換レンズ以外にも、レンズを内蔵したカメラ、更には双
眼鏡等の他の光学機器にも適用可能である。In addition to the interchangeable lenses shown in the above-mentioned embodiments, the present invention can be applied to a camera having a built-in lens and further to other optical equipment such as binoculars.
【００３４】なお、上述の実施例では、焦点調節のため
にレンズを駆動する駆動手段に関して説明したが、本発
明は、他の目的のためにレンズを駆動するための駆動手
段についても適用可能である。In the above embodiments, the driving means for driving the lens for focus adjustment has been described, but the present invention is also applicable to driving means for driving the lens for other purposes. is there.
【００３５】なお、ぶれ検出手段としては、角加速度
計、加速度計、角速度計、速度計、角変位計、変位計、
更には画像のぶれ自体を検出する方法等、ぶれが検出で
きるものであればどのようなものであってもよい。As the shake detecting means, an angular accelerometer, an accelerometer, an angular velocity meter, a speedometer, an angular displacement meter, a displacement meter,
Further, any method such as a method of detecting the blur of the image itself can be used as long as the blur can be detected.
【００３６】また、ぶれ防止手段としては、光軸に垂直
な面内で光学部材を動かすシフト光学系以外にも可変頂
角プリズム等の光束偏向手段や、更には画像処理により
ぶれを補正するもの等、ぶれが防止できるものであれば
どのようなものであってもよい。As the blur preventing means, besides the shift optical system for moving the optical member in a plane perpendicular to the optical axis, a light beam deflecting means such as a variable apex angle prism, or a means for correcting the blur by image processing Any material such as shake can be prevented.
【００３７】[0037]
【発明の効果】以上説明したように、請求項１に示した
本発明によれば、レンズを移動させるための駆動手段を
配置することによりできた空きスペースにぶれ検出手段
を配置することになるので、駆動手段を配置するために
決められた外径を変えることなく、ぶれ検出手段を機器
に搭載することができるようになった。As described above, according to the present invention as set forth in claim 1, the blur detecting means is arranged in the empty space formed by disposing the driving means for moving the lens. Therefore, the shake detecting means can be mounted on the device without changing the outer diameter determined for disposing the driving means.
【００３８】更に請求項２に示した本発明によれば、実
装基板上の電気素子の配置も含めたより効率的な配置が
可能になった。Further, according to the present invention as set forth in claim 2, more efficient arrangement including the arrangement of the electric elements on the mounting substrate has become possible.
【図１】本発明の一実施例のズームレンズの光軸を含む
面での断面図である。FIG. 1 is a cross-sectional view of a zoom lens according to an exemplary embodiment of the present invention in a plane including an optical axis.
【図２】本発明の一実施例のズームレンズの光軸に垂直
な面での断面図である。FIG. 2 is a sectional view of a zoom lens according to an exemplary embodiment of the present invention, taken along a plane perpendicular to the optical axis.
【図３】実装基板の要部構成を示す図である。FIG. 3 is a diagram showing a main configuration of a mounting board.
１２ モータ １３ 減速ギヤ列 １５ 実装基板 ２０ 振動ジャイロ 12 Motor 13 Reduction Gear Train 15 Mounting Board 20 Vibration Gyro
Claims (4)
該レンズ手段を移動させるための駆動手段と、前記機器
のぶれを検出するためのぶれ検出手段とを有し、前記駆
動手段と前記ぶれ検出手段とを前記機器の光軸方向に垂
直な実質的同一面内に配置したことを特徴とする光学機
器。1. Lens means for moving in the optical axis direction of the device,
A driving means for moving the lens means and a shake detecting means for detecting a shake of the device, and the drive means and the shake detecting means being substantially perpendicular to the optical axis direction of the device. An optical device characterized by being arranged in the same plane.
び前記ぶれ検出手段に干渉しない位置に実装基板上の電
気素子を配置したことを特徴とする請求項１の光学機
器。2. The optical device according to claim 1, wherein an electric element on the mounting board is arranged at a position where it does not interfere with the drive means and the shake detection means in the substantially same plane.
れを防止するための像ぶれ防止手段を有することを特徴
とする請求項１の光学機器。3. The optical apparatus according to claim 1, further comprising image blur prevention means for preventing image blur in response to the output of the blur detection means.
前記機器の光軸方向に移動することを特徴とする請求項
１の光学機器。4. The optical device according to claim 1, wherein the lens means moves in the optical axis direction of the device to perform focus adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22642494A JPH0894899A (en) | 1994-09-21 | 1994-09-21 | Optical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22642494A JPH0894899A (en) | 1994-09-21 | 1994-09-21 | Optical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0894899A true JPH0894899A (en) | 1996-04-12 |
Family
ID=16844912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22642494A Pending JPH0894899A (en) | 1994-09-21 | 1994-09-21 | Optical equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0894899A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007018008A (en) * | 2006-09-25 | 2007-01-25 | Nikon Corp | Lens barrel |
| JP2013061386A (en) * | 2011-09-12 | 2013-04-04 | Nikon Corp | Lens unit, and imaging device |
| JP2015075642A (en) * | 2013-10-09 | 2015-04-20 | 株式会社ニコン | Electronic devices |
-
1994
- 1994-09-21 JP JP22642494A patent/JPH0894899A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007018008A (en) * | 2006-09-25 | 2007-01-25 | Nikon Corp | Lens barrel |
| JP4640299B2 (en) * | 2006-09-25 | 2011-03-02 | 株式会社ニコン | Lens barrel |
| JP2013061386A (en) * | 2011-09-12 | 2013-04-04 | Nikon Corp | Lens unit, and imaging device |
| JP2015075642A (en) * | 2013-10-09 | 2015-04-20 | 株式会社ニコン | Electronic devices |
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