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JPS53143319A - Iris level transmitting system for interchangeable lens - Google Patents

Iris level transmitting system for interchangeable lens

Info

Publication number
JPS53143319A
JPS53143319A JP5834577A JP5834577A JPS53143319A JP S53143319 A JPS53143319 A JP S53143319A JP 5834577 A JP5834577 A JP 5834577A JP 5834577 A JP5834577 A JP 5834577A JP S53143319 A JPS53143319 A JP S53143319A
Authority
JP
Japan
Prior art keywords
interchangeable lens
transmitting system
level transmitting
iris level
lens
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
JP5834577A
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 JP5834577A priority Critical patent/JPS53143319A/en
Publication of JPS53143319A publication Critical patent/JPS53143319A/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 side of a camera without any mechanical connection by guiding the light into a light receivign element in the camera body through a light control member, which is mounted in the lens mount of the interchangeable lens, so as to effect the lens connection.
COPYRIGHT: (C)1978,JPO&Japio
JP5834577A 1977-05-20 1977-05-20 Iris level transmitting system for interchangeable lens Pending JPS53143319A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5834577A JPS53143319A (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
JP5834577A JPS53143319A (en) 1977-05-20 1977-05-20 Iris level transmitting system for interchangeable lens

Publications (1)

Publication Number Publication Date
JPS53143319A true JPS53143319A (en) 1978-12-13

Family

ID=13081723

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5834577A Pending JPS53143319A (en) 1977-05-20 1977-05-20 Iris level transmitting system for interchangeable lens

Country Status (1)

Country Link
JP (1) JPS53143319A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5854620U (en) * 1981-10-07 1983-04-13 オリンパス光学工業株式会社 Information transmission device between lens barrel and camera body
JPS58105130A (en) * 1981-12-17 1983-06-22 Asahi Optical Co Ltd Lens-side information transfer mechanism by optical fiber

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5854620U (en) * 1981-10-07 1983-04-13 オリンパス光学工業株式会社 Information transmission device between lens barrel and camera body
JPS58105130A (en) * 1981-12-17 1983-06-22 Asahi Optical Co Ltd Lens-side information transfer mechanism by optical fiber

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