JPS57179810A - Focusing device for optical system - Google Patents

Focusing device for optical system

Info

Publication number
JPS57179810A
JPS57179810A JP6406681A JP6406681A JPS57179810A JP S57179810 A JPS57179810 A JP S57179810A JP 6406681 A JP6406681 A JP 6406681A JP 6406681 A JP6406681 A JP 6406681A JP S57179810 A JPS57179810 A JP S57179810A
Authority
JP
Japan
Prior art keywords
pupil
image
change
changes
image pickup
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.)
Granted
Application number
JP6406681A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0151161B2 (enExample
Inventor
Yoshiaki Horikawa
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.)
Olympus Corp
Original Assignee
Olympus Corp
Olympus Optical 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 Olympus Corp, Olympus Optical Co Ltd filed Critical Olympus Corp
Priority to JP6406681A priority Critical patent/JPS57179810A/ja
Priority to US06/372,374 priority patent/US4521108A/en
Priority to DE3215595A priority patent/DE3215595C2/de
Publication of JPS57179810A publication Critical patent/JPS57179810A/ja
Publication of JPH0151161B2 publication Critical patent/JPH0151161B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/40—Optical focusing aids

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP6406681A 1981-04-30 1981-04-30 Focusing device for optical system Granted JPS57179810A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP6406681A JPS57179810A (en) 1981-04-30 1981-04-30 Focusing device for optical system
US06/372,374 US4521108A (en) 1981-04-30 1982-04-27 Focusing device for optical system
DE3215595A DE3215595C2 (de) 1981-04-30 1982-04-27 Fokussiereinrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6406681A JPS57179810A (en) 1981-04-30 1981-04-30 Focusing device for optical system

Publications (2)

Publication Number Publication Date
JPS57179810A true JPS57179810A (en) 1982-11-05
JPH0151161B2 JPH0151161B2 (enExample) 1989-11-01

Family

ID=13247344

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6406681A Granted JPS57179810A (en) 1981-04-30 1981-04-30 Focusing device for optical system

Country Status (1)

Country Link
JP (1) JPS57179810A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59162515A (ja) * 1983-03-07 1984-09-13 Olympus Optical Co Ltd 焦点情報検出装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115433A (ja) * 1974-07-29 1976-02-06 Yashica Co Ltd Goshotenkenshutsusochi
JPS5319028A (en) * 1976-08-04 1978-02-21 Fuji Photo Film Co Ltd Automatic focusing device for cinecamera
JPS56101111A (en) * 1980-01-14 1981-08-13 Mamiya Koki Kk Automatic focus adjustment method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5115433A (ja) * 1974-07-29 1976-02-06 Yashica Co Ltd Goshotenkenshutsusochi
JPS5319028A (en) * 1976-08-04 1978-02-21 Fuji Photo Film Co Ltd Automatic focusing device for cinecamera
JPS56101111A (en) * 1980-01-14 1981-08-13 Mamiya Koki Kk Automatic focus adjustment method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59162515A (ja) * 1983-03-07 1984-09-13 Olympus Optical Co Ltd 焦点情報検出装置

Also Published As

Publication number Publication date
JPH0151161B2 (enExample) 1989-11-01

Similar Documents

Publication Publication Date Title
ATE184996T1 (de) Zoomobjektiv
JPS54139724A (en) Device for focusing zoom lens
JPS5295221A (en) Detector for focusing
JPS53131826A (en) Photographing system for photograph data of camera
JPS5428133A (en) Optical path extension device with focus detection function
JPS52147430A (en) Focus detection device
ATA1379A (de) Vorrichtung zum fokussieren eines objektives
JPS5266445A (en) Zoom lens
GB2040132B (en) Device for detecting the focus condition of an optical image
JPS51120725A (en) Automatic forcusing camera
JPS5387217A (en) Focusing device
JPS52138924A (en) Focal detector
JPS5245353A (en) Automatically focusing device
JPS5332728A (en) Focus control device for camera
JPS51149004A (en) Optical apparatus
JPS57179810A (en) Focusing device for optical system
JPS57212420A (en) Focusing device for camera with long focal point object lens
JPS52113750A (en) Scanning optical system having beam detecting optics for information
JPS57179809A (en) Focusing device for optical system
JPS54103025A (en) Device for focusing lens barrel
JPS52126241A (en) Slit illumination device
JPS547323A (en) Optical system for detecting point of focus
JPS53105223A (en) Optical system of distance detector for automatic focusing
JPS5331151A (en) Automatic focusing device for microscope
JPS5327439A (en) Focus measuring device