JPS5987336A - 分割像合致式合焦指示光学系を有するレンズメ−タ− - Google Patents

分割像合致式合焦指示光学系を有するレンズメ−タ−

Info

Publication number
JPS5987336A
JPS5987336A JP57198292A JP19829282A JPS5987336A JP S5987336 A JPS5987336 A JP S5987336A JP 57198292 A JP57198292 A JP 57198292A JP 19829282 A JP19829282 A JP 19829282A JP S5987336 A JPS5987336 A JP S5987336A
Authority
JP
Japan
Prior art keywords
lens
target
optical system
image matching
deflection
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
JP57198292A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0359371B2 (OSRAM
Inventor
Moriyasu Shirayanagi
守康 白柳
Osamu Shindo
修 進藤
Hirochika Aiura
相浦　弘親
Tadao Hara
原　忠男
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Priority to JP57198292A priority Critical patent/JPS5987336A/ja
Priority to US06/550,689 priority patent/US4637720A/en
Priority to FR8317948A priority patent/FR2536179B1/fr
Priority to DE19833340921 priority patent/DE3340921A1/de
Publication of JPS5987336A publication Critical patent/JPS5987336A/ja
Publication of JPH0359371B2 publication Critical patent/JPH0359371B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • G01M11/0228—Testing optical properties by measuring refractive power

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Lenses (AREA)
JP57198292A 1982-11-11 1982-11-11 分割像合致式合焦指示光学系を有するレンズメ−タ− Granted JPS5987336A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57198292A JPS5987336A (ja) 1982-11-11 1982-11-11 分割像合致式合焦指示光学系を有するレンズメ−タ−
US06/550,689 US4637720A (en) 1982-11-11 1983-11-10 Lens meter having a focusing indication system with divided-image registration focusing
FR8317948A FR2536179B1 (fr) 1982-11-11 1983-11-10 Focometre comportant un dispositif d'indication de mise au point utilisant la mise en concordance d'une image divisee
DE19833340921 DE3340921A1 (de) 1982-11-11 1983-11-11 Linsenmesser mit einem fokussierungsanzeigesystem mit der erfassung einer teil-bild-fokussierung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57198292A JPS5987336A (ja) 1982-11-11 1982-11-11 分割像合致式合焦指示光学系を有するレンズメ−タ−

Publications (2)

Publication Number Publication Date
JPS5987336A true JPS5987336A (ja) 1984-05-19
JPH0359371B2 JPH0359371B2 (OSRAM) 1991-09-10

Family

ID=16388696

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57198292A Granted JPS5987336A (ja) 1982-11-11 1982-11-11 分割像合致式合焦指示光学系を有するレンズメ−タ−

Country Status (4)

Country Link
US (1) US4637720A (OSRAM)
JP (1) JPS5987336A (OSRAM)
DE (1) DE3340921A1 (OSRAM)
FR (1) FR2536179B1 (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0812127B2 (ja) * 1988-11-11 1996-02-07 オリンパス光学工業株式会社 曲率半径測定装置及び方法
US5313289A (en) * 1990-03-08 1994-05-17 Canon Kabushiki Kaisha Original illuminating device and original reading device preventing random reflected light
US11300479B2 (en) * 2017-06-28 2022-04-12 Consejo Superior De Investigaciones Científicas Device for determining the optical power of lenses and measurement method
CN109447995B (zh) * 2017-08-29 2021-01-15 中国移动通信有限公司研究院 一种眼前节图像的分割方法及其相关装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4950957A (OSRAM) * 1972-09-14 1974-05-17
JPS5469455A (en) * 1977-11-14 1979-06-04 Tokyo Optical Device for measuring astigmatism axis and refracting power

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5461921A (en) * 1977-10-27 1979-05-18 Asahi Optical Co Ltd Focal point detector
US4275964A (en) * 1979-05-18 1981-06-30 Rodenstock Instruments Corporation Apparatus and method for determining the refractive characteristics of a test lens
JPS5690233A (en) * 1979-12-24 1981-07-22 Asahi Optical Co Ltd Automatic lens meter
JPS57125732A (en) * 1981-01-29 1982-08-05 Tokyo Optical Apparatus for detecting focus position in ophthalmic machine
DE3208024A1 (de) * 1981-03-05 1982-11-04 Tokyo Kogaku Kikai K.K., Tokyo Linsenpruefgeraet
DE3214528C2 (de) * 1982-04-20 1984-07-26 Atmos Fritzsching & Co Gmbh, Zweigniederlassung Lenzkirch Im Schwarzwald, 7825 Lenzkirch Vorrichtung zur Festlegung von Instrumentengehäusen in einer Trägerplatte

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4950957A (OSRAM) * 1972-09-14 1974-05-17
JPS5469455A (en) * 1977-11-14 1979-06-04 Tokyo Optical Device for measuring astigmatism axis and refracting power

Also Published As

Publication number Publication date
JPH0359371B2 (OSRAM) 1991-09-10
FR2536179A1 (fr) 1984-05-18
DE3340921A1 (de) 1984-05-17
FR2536179B1 (fr) 1989-01-06
US4637720A (en) 1987-01-20

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