JPS5862310U - Zoom lens that can be used with automatic focus detection equipment - Google Patents
Zoom lens that can be used with automatic focus detection equipmentInfo
- Publication number
- JPS5862310U JPS5862310U JP15481581U JP15481581U JPS5862310U JP S5862310 U JPS5862310 U JP S5862310U JP 15481581 U JP15481581 U JP 15481581U JP 15481581 U JP15481581 U JP 15481581U JP S5862310 U JPS5862310 U JP S5862310U
- Authority
- JP
- Japan
- Prior art keywords
- zoom lens
- image
- lens
- focus detection
- automatic focus
- 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
- Focusing (AREA)
- Lens Barrels (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は撮影レンズの焦点距離のずれにより焦点検出精
度が異なることを説明するための説明図、第２図は本考
案に係る実施例を示す斜視図である。
〔主要部分の符号の説明〕、２・・・・・・ズームレン
ズ、４・・・・・・ズーミング操作環、５・・・・・・
フォーカスロックスイッチ。FIG. 1 is an explanatory diagram for explaining that the focus detection accuracy varies depending on the deviation of the focal length of the photographic lens, and FIG. 2 is a perspective view showing an embodiment of the present invention. [Explanation of symbols of main parts], 2...Zoom lens, 4...Zooming operation ring, 5...
Focus lock switch.
Claims (1)
ンズによってそれぞれ第１像及び第２像番作成し、前記
結像レシズの焦点面又はその近傍に配置された一対の像
位置検出用光電変換器に対する前記第１像と第２像の相
対的な変位量から連続的または断続的に焦点検出をする
自動焦点検出装置に使用可能なズームレンズにおいて、
該ズームレンズのズーミング操作部材に合焦のための撮
影レンズの駆動を所望時のみ一時的に中止させるフォー
カスロックスイッチを設けたズームレンズ。A first image and a second image number are respectively created by an imaging lens from the light beams passing through two regions of the exit pupil of the photographic lens, and a pair of image position detection photoelectric sensors are arranged at or near the focal plane of the imaging lens. A zoom lens that can be used in an automatic focus detection device that performs focus detection continuously or intermittently based on the relative displacement amount of the first image and the second image with respect to the converter,
A zoom lens in which a zooming operation member of the zoom lens is provided with a focus lock switch for temporarily stopping driving of a photographing lens for focusing only when desired.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15481581U JPS5862310U (en) | 1981-10-20 | 1981-10-20 | Zoom lens that can be used with automatic focus detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15481581U JPS5862310U (en) | 1981-10-20 | 1981-10-20 | Zoom lens that can be used with automatic focus detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5862310U true JPS5862310U (en) | 1983-04-26 |
Family
ID=29947403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15481581U Pending JPS5862310U (en) | 1981-10-20 | 1981-10-20 | Zoom lens that can be used with automatic focus detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5862310U (en) |
-
1981
- 1981-10-20 JP JP15481581U patent/JPS5862310U/en active Pending
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