JPS5552032A - Focusing device - Google Patents

Focusing device

Info

Publication number
JPS5552032A
JPS5552032A JP12875779A JP12875779A JPS5552032A JP S5552032 A JPS5552032 A JP S5552032A JP 12875779 A JP12875779 A JP 12875779A JP 12875779 A JP12875779 A JP 12875779A JP S5552032 A JPS5552032 A JP S5552032A
Authority
JP
Japan
Prior art keywords
relative positions
objective lens
photoelectric element
focusing
image
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
JP12875779A
Other languages
English (en)
Other versions
JPS5629244B2 (ja
Inventor
Mitsuya Sane
Seiichi Matsumoto
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP12875779A priority Critical patent/JPS5552032A/ja
Publication of JPS5552032A publication Critical patent/JPS5552032A/ja
Publication of JPS5629244B2 publication Critical patent/JPS5629244B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
JP12875779A 1979-10-05 1979-10-05 Focusing device Granted JPS5552032A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12875779A JPS5552032A (en) 1979-10-05 1979-10-05 Focusing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12875779A JPS5552032A (en) 1979-10-05 1979-10-05 Focusing device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP48003922A Division JPS5928884B2 (ja) 1972-12-27 1972-12-27 距離検出方式

Publications (2)

Publication Number Publication Date
JPS5552032A true JPS5552032A (en) 1980-04-16
JPS5629244B2 JPS5629244B2 (ja) 1981-07-07

Family

ID=14992705

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12875779A Granted JPS5552032A (en) 1979-10-05 1979-10-05 Focusing device

Country Status (1)

Country Link
JP (1) JPS5552032A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6063049U (ja) * 1983-10-07 1985-05-02 株式会社小松製作所 デイ−ゼルエンジンのシリンダブロツク装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529528A (en) * 1966-12-06 1970-09-22 Leitz Ernst Gmbh Photoelectric precision camera range finder with optical verification
JPS473594U (ja) * 1971-01-30 1972-09-05

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529528A (en) * 1966-12-06 1970-09-22 Leitz Ernst Gmbh Photoelectric precision camera range finder with optical verification
JPS473594U (ja) * 1971-01-30 1972-09-05

Also Published As

Publication number Publication date
JPS5629244B2 (ja) 1981-07-07

Similar Documents

Publication Publication Date Title
JPS53113527A (en) Camera for definite multiplication image in the variable multiplicaton lens system
JPS55118019A (en) Focusing point detector
JPS57108810A (en) Focus detector
JPS5243422A (en) Finder for camera of large size picture
JPS5540447A (en) Image correcting method in zoom lens
JPS5697325A (en) Focus detecting method of camera
JPS54126050A (en) Focusing method preventing variation of angle of view
JPS533840A (en) Infrared ray dark field observation device
JPS5562412A (en) Fixed magnification image pickup device in single operation ring type zoom lens barrel
JPS5552032A (en) Focusing device
JPS57116311A (en) Measured visual field switching method in focusing position detector
JPS6442617A (en) Lens system with variable focal distance
JPS52128153A (en) Highly variable multiplying zoom lens which instals correction gap of short range image-pickup capacity
JPS5236023A (en) Hood device for zoom lens
JPS547323A (en) Optical system for detecting point of focus
JPS547927A (en) Photographic lens of excellent focusing operation
JPS54147037A (en) Focus detector
JPS5210126A (en) Focus adjusting device for camera
JPS5564204A (en) Zoom lens barrel capable of making fixed magnification image pickup
JPS5547409A (en) Distance detector
JPS5775071A (en) Optical system for focus detection of television camera
JPS5567732A (en) Finder optical system
JPS53131830A (en) Camera for photographing welding arc phenomenon
JPS55120020A (en) Focus detection and indicating device of camera
JPS55127527A (en) Automatic focus detector