JPS6289622U - - Google Patents
Info
- Publication number
- JPS6289622U JPS6289622U JP18099385U JP18099385U JPS6289622U JP S6289622 U JPS6289622 U JP S6289622U JP 18099385 U JP18099385 U JP 18099385U JP 18099385 U JP18099385 U JP 18099385U JP S6289622 U JPS6289622 U JP S6289622U
- Authority
- JP
- Japan
- Prior art keywords
- change
- focal length
- control device
- optical system
- exposure control
- 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
- 230000003287 optical effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exposure Control For Cameras (AREA)
- Diaphragms For Cameras (AREA)
Description
第１図、第２図は本考案によるカメラの一実施
例を示す横断面図で、第１図は撮影レンズが長焦
点側の状態、第２図は撮影レンズが短焦点側の状
態を示す。第３図ａ，ｂ，ｃ，ｄは従来の自動露
出制御装置の補正機構の概略図を示している。
１：カバー、２：カメラ本体、３：受光レンズ
、４：支持棒、５：支持棒受け板、６：支持棒嵌
合部材、７：シヤツターＡＦ装置、８：前群鏡筒
、９：後群鏡筒、１０：カム板、１１：受光素子
、１２：導通接片、１３：抵抗基板、１４，１５
：リード線。
Figures 1 and 2 are cross-sectional views showing an embodiment of the camera according to the present invention. Figure 1 shows the photographic lens in the long focal length side, and Figure 2 shows the photographic lens in the short focal length side. . 3a, b, c, and d show schematic diagrams of a correction mechanism of a conventional automatic exposure control device. 1: Cover, 2: Camera body, 3: Light receiving lens, 4: Support rod, 5: Support rod receiving plate, 6: Support rod fitting member, 7: Shutter AF device, 8: Front group lens barrel, 9: Rear Group barrel, 10: cam plate, 11: light receiving element, 12: continuity contact piece, 13: resistance board, 14, 15
:Lead.
Claims (1)
光に基づいて露光量を制御する露出制御装置と、
撮影光学系の焦点距離変化に応答して抵抗値が変
化し、焦点距離変化に伴う開放Ｆ値の変化に対し
て上記露出制御装置を補正する可変抵抗とを設け
たことを特徴とするカメラ。 an exposure control device that controls the amount of exposure based on subject light that enters from an optical path different from that of the photographic optical system;
A camera comprising: a variable resistor whose resistance value changes in response to a change in focal length of a photographing optical system, and which corrects the exposure control device for a change in an aperture F value accompanying a change in focal length.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18099385U JPS6289622U (en) | 1985-11-25 | 1985-11-25 | |
| US06/931,809 US4777508A (en) | 1985-11-25 | 1986-11-18 | Exposure control device for camera of variable focal length type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18099385U JPS6289622U (en) | 1985-11-25 | 1985-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6289622U true JPS6289622U (en) | 1987-06-08 |
Family
ID=31125460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18099385U Pending JPS6289622U (en) | 1985-11-25 | 1985-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6289622U (en) |
-
1985
- 1985-11-25 JP JP18099385U patent/JPS6289622U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4593987A (en) | Method and device for automatic exposure control by programs | |
| JPS6289622U (en) | ||
| JPS5863921A (en) | Automatic focusing camera capable of closeup shooting | |
| JPS6289623U (en) | ||
| JPH02134526U (en) | ||
| JPS5812571B2 (en) | sotsukoukikou | |
| JPS59170835U (en) | Single-lens reflex electronic camera with optical low-pass filter | |
| JPS61116331U (en) | ||
| JPS5971321U (en) | camera photometry device | |
| WO1992014186A3 (en) | Variable photographic mode camera | |
| JPS5869826U (en) | Metering method for cameras with automatic exposure control devices | |
| JPH04104634U (en) | Assembly structure of light receiving device | |
| JPS6413034U (en) | ||
| JPS6419924U (en) | ||
| JPS59123841U (en) | camera | |
| JPS6454029U (en) | ||
| JPS5886627U (en) | Camera exposure level adjustment device | |
| JPH0157743U (en) | ||
| JPS5838129U (en) | Autofocus device in single-lens reflex camera | |
| JPS58141229U (en) | camera waterproof device | |
| JPS5816623U (en) | Camera reflection photometry device | |
| JPS61119142U (en) | ||
| JPS5814826A (en) | Photodetecting part for controlling automatic electronic flash | |
| JPS6188122U (en) | ||
| JPH04138430A (en) | Photometric device for camera |