JPS60189023U - Focus detection device for single-lens reflex cameras - Google Patents
Focus detection device for single-lens reflex camerasInfo
- Publication number
- JPS60189023U JPS60189023U JP7614284U JP7614284U JPS60189023U JP S60189023 U JPS60189023 U JP S60189023U JP 7614284 U JP7614284 U JP 7614284U JP 7614284 U JP7614284 U JP 7614284U JP S60189023 U JPS60189023 U JP S60189023U
- Authority
- JP
- Japan
- Prior art keywords
- light
- detection device
- focus detection
- lens reflex
- receiving means
- 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
- 238000001514 detection method Methods 0.000 title claims description 4
- 230000011514 reflex Effects 0.000 title claims 3
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Focusing (AREA)
- Viewfinders (AREA)
- Cameras In General (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の実施例の構成概要図、第２図はその焦
点検出光学原理の説明図である。
１・・・撮影レンズ、２・・・発光素子、３・・・受光
レンズ、４・・・受光素子、５・・・制御回路、６・・
・回転ミラー、７・・・補助ミラー、９・・・ペンタダ
ハプリズム、Ｂ・・・カメラボディ、Ｍ・・・モータ。FIG. 1 is a schematic diagram of the configuration of an embodiment of the present invention, and FIG. 2 is an explanatory diagram of its focus detection optical principle. DESCRIPTION OF SYMBOLS 1... Photographing lens, 2... Light emitting element, 3... Light receiving lens, 4... Light receiving element, 5... Control circuit, 6...
- Rotating mirror, 7... Auxiliary mirror, 9... Penta roof prism, B... Camera body, M... Motor.
Claims (1)
光束を受光手段により受光し、該受光手段からの出力に
基づいて焦点状態を検出し、且つ投光又は受光の一方を
撮影レンズを通して行ない、他方を撮影レンズの外部に
位置する投光手段又は受光手段で行なうようにした一眼
レフレックスカメラの合焦検出装置において、撮影レン
ズの外部に位置する該投光手段又は該受光手段をカメラ
本体のペンタダハプリズム前部に配置したことを特徴と
した一眼レフレックスカメラの合焦検出装置。A light receiving means receives a reflected light flux from a subject of a projected light beam projected by a light projecting means, detects a focus state based on an output from the light receiving means, and performs either light projection or light reception through a photographing lens. In a focus detection device for a single-lens reflex camera in which the other is performed by a light projecting means or a light receiving means located outside the photographic lens, the light projecting means or the light receiving means located outside the photographic lens is connected to the camera body. A focus detection device for a single-lens reflex camera, characterized by being placed in front of the pentagonal roof prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7614284U JPS60189023U (en) | 1984-05-24 | 1984-05-24 | Focus detection device for single-lens reflex cameras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7614284U JPS60189023U (en) | 1984-05-24 | 1984-05-24 | Focus detection device for single-lens reflex cameras |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60189023U true JPS60189023U (en) | 1985-12-14 |
Family
ID=30618011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7614284U Pending JPS60189023U (en) | 1984-05-24 | 1984-05-24 | Focus detection device for single-lens reflex cameras |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60189023U (en) |
-
1984
- 1984-05-24 JP JP7614284U patent/JPS60189023U/en active Pending
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