JPS53143320A - Iris level transmitting system for interchangeable lens - Google Patents

Iris level transmitting system for interchangeable lens

Info

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
Application number
JP5834677A
Other languages
Japanese (ja)
Inventor
Akira Ando
Yoshimi Ono
Hideo Nakaoka
Yukio Fujii
Akira Takahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP5834677A priority Critical patent/JPS53143320A/en
Publication of JPS53143320A publication Critical patent/JPS53143320A/en
Pending legal-status Critical Current

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
JP5834677A 1977-05-20 1977-05-20 Iris level transmitting system for interchangeable lens Pending JPS53143320A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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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