JPS53143320A - Iris level transmitting system for interchangeable lens - Google Patents
Iris level transmitting system for interchangeable lensInfo
- Publication number
- JPS53143320A JPS53143320A JP5834677A JP5834677A JPS53143320A JP S53143320 A JPS53143320 A JP S53143320A JP 5834677 A JP5834677 A JP 5834677A JP 5834677 A JP5834677 A JP 5834677A JP S53143320 A JPS53143320 A JP S53143320A
- Authority
- JP
- Japan
- Prior art keywords
- interchangeable lens
- transmitting system
- level transmitting
- iris level
- iris
- 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
- Exposure Control For Cameras (AREA)
Abstract
PURPOSE: To transmit the iris level information of an interchangeable lens to the body of a camera without any mechanical connection by introducing the controlled light from the outside into a light receiving member in the camera body through a 1 light control member, which is mounted in an interchangeable lens mount, thereby to connect the lens.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5834677A JPS53143320A (en) | 1977-05-20 | 1977-05-20 | Iris level transmitting system for interchangeable lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5834677A JPS53143320A (en) | 1977-05-20 | 1977-05-20 | Iris level transmitting system for interchangeable lens |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53143320A true JPS53143320A (en) | 1978-12-13 |
Family
ID=13081753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5834677A Pending JPS53143320A (en) | 1977-05-20 | 1977-05-20 | Iris level transmitting system for interchangeable lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53143320A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4439029A (en) * | 1981-12-17 | 1984-03-27 | Asahi Kogaku Kogyo Kabushiki Kaisha | Camera with information transmitting elements |
JPS6092214U (en) * | 1983-11-29 | 1985-06-24 | コニカ株式会社 | lens barrel |
-
1977
- 1977-05-20 JP JP5834677A patent/JPS53143320A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4439029A (en) * | 1981-12-17 | 1984-03-27 | Asahi Kogaku Kogyo Kabushiki Kaisha | Camera with information transmitting elements |
JPS6092214U (en) * | 1983-11-29 | 1985-06-24 | コニカ株式会社 | lens barrel |
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