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JPS5414231A - Focus detector with variable base length - Google Patents

Focus detector with variable base length

Info

Publication number
JPS5414231A
JPS5414231A JP7962977A JP7962977A JPS5414231A JP S5414231 A JPS5414231 A JP S5414231A JP 7962977 A JP7962977 A JP 7962977A JP 7962977 A JP7962977 A JP 7962977A JP S5414231 A JPS5414231 A JP S5414231A
Authority
JP
Japan
Prior art keywords
base length
focus detector
variable base
variable
focus
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
JP7962977A
Other languages
Japanese (ja)
Inventor
Naoki Kobayashi
Taku Tobioka
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.)
Fujinon Corp
Original Assignee
Fuji Photo 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 Fuji Photo Optical Co Ltd filed Critical Fuji Photo Optical Co Ltd
Priority to JP7962977A priority Critical patent/JPS5414231A/en
Publication of JPS5414231A publication Critical patent/JPS5414231A/en
Pending legal-status Critical Current

Links

Landscapes

  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Measurement Of Optical Distance (AREA)

Abstract

PURPOSE: To shut down compactly by pushing in when unused to miniaturize the size by permitting either a moving mirror or a stationary mirror to move along the base line.
COPYRIGHT: (C)1979,JPO&Japio
JP7962977A 1977-07-04 1977-07-04 Focus detector with variable base length Pending JPS5414231A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7962977A JPS5414231A (en) 1977-07-04 1977-07-04 Focus detector with variable base length

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7962977A JPS5414231A (en) 1977-07-04 1977-07-04 Focus detector with variable base length

Publications (1)

Publication Number Publication Date
JPS5414231A true JPS5414231A (en) 1979-02-02

Family

ID=13695362

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7962977A Pending JPS5414231A (en) 1977-07-04 1977-07-04 Focus detector with variable base length

Country Status (1)

Country Link
JP (1) JPS5414231A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56164023A (en) * 1980-05-19 1981-12-16 Nippon Telegr & Teleph Corp <Ntt> Quartz-glass lens
JPS62264030A (en) * 1986-05-12 1987-11-17 Asahi Optical Co Ltd Auto-focus camera capable of close photographing
US5150145A (en) * 1986-05-12 1992-09-22 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens
US5157429A (en) * 1986-05-12 1992-10-20 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens
US5162831A (en) * 1986-05-12 1992-11-10 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens drive system for camera
US5214462A (en) * 1986-05-12 1993-05-25 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens and barrier mechanisms
US5276475A (en) * 1986-05-12 1994-01-04 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens
US5280317A (en) * 1986-05-12 1994-01-18 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens drive system
US5321462A (en) * 1986-05-12 1994-06-14 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens
US5475456A (en) * 1986-05-12 1995-12-12 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens drive system for lens shutter type of camera

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56164023A (en) * 1980-05-19 1981-12-16 Nippon Telegr & Teleph Corp <Ntt> Quartz-glass lens
JPS62264030A (en) * 1986-05-12 1987-11-17 Asahi Optical Co Ltd Auto-focus camera capable of close photographing
US5150145A (en) * 1986-05-12 1992-09-22 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens
US5157429A (en) * 1986-05-12 1992-10-20 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens
US5162831A (en) * 1986-05-12 1992-11-10 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens drive system for camera
US5214462A (en) * 1986-05-12 1993-05-25 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens and barrier mechanisms
US5276475A (en) * 1986-05-12 1994-01-04 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens
US5280317A (en) * 1986-05-12 1994-01-18 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens drive system
US5321462A (en) * 1986-05-12 1994-06-14 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens
US5475456A (en) * 1986-05-12 1995-12-12 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens drive system for lens shutter type of camera
US5897227A (en) * 1986-05-12 1999-04-27 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens drive system for lens shutter type of camera

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