JPS5319028A - Automatic focusing device for cinecamera - Google Patents

Automatic focusing device for cinecamera

Info

Publication number
JPS5319028A
JPS5319028A JP9289476A JP9289476A JPS5319028A JP S5319028 A JPS5319028 A JP S5319028A JP 9289476 A JP9289476 A JP 9289476A JP 9289476 A JP9289476 A JP 9289476A JP S5319028 A JPS5319028 A JP S5319028A
Authority
JP
Japan
Prior art keywords
cinecamera
automatic focusing
focusing device
simplify
vicinity
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
JP9289476A
Other languages
Japanese (ja)
Inventor
Toshihiro Kondo
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP9289476A priority Critical patent/JPS5319028A/en
Priority to DE19762659009 priority patent/DE2659009A1/en
Priority to US05/754,699 priority patent/US4090209A/en
Publication of JPS5319028A publication Critical patent/JPS5319028A/en
Pending legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)

Abstract

PURPOSE: To simplify the construction to reduce the production cost by moving the reflecting optical element, which is arranged in the vicinity of the focal plane of an objective lens, in the direction perpendicular to the optical path in response to the operation of a shutter driving motor.
COPYRIGHT: (C)1978,JPO&Japio
JP9289476A 1975-12-26 1976-08-04 Automatic focusing device for cinecamera Pending JPS5319028A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9289476A JPS5319028A (en) 1976-08-04 1976-08-04 Automatic focusing device for cinecamera
DE19762659009 DE2659009A1 (en) 1975-12-26 1976-12-27 Automatic focussing camera coping with weak light - uses secondary image periodically shifted to generate AC detection signal
US05/754,699 US4090209A (en) 1975-12-26 1976-12-27 Automatic image focusing system for cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9289476A JPS5319028A (en) 1976-08-04 1976-08-04 Automatic focusing device for cinecamera

Publications (1)

Publication Number Publication Date
JPS5319028A true JPS5319028A (en) 1978-02-21

Family

ID=14067156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9289476A Pending JPS5319028A (en) 1975-12-26 1976-08-04 Automatic focusing device for cinecamera

Country Status (1)

Country Link
JP (1) JPS5319028A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57179810A (en) * 1981-04-30 1982-11-05 Olympus Optical Co Ltd Focusing device for optical system
JPS59162515A (en) * 1983-03-07 1984-09-13 Olympus Optical Co Ltd Focus information detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57179810A (en) * 1981-04-30 1982-11-05 Olympus Optical Co Ltd Focusing device for optical system
JPS59162515A (en) * 1983-03-07 1984-09-13 Olympus Optical Co Ltd Focus information detector

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