JPS533256A - Instrument for measuring focal length by measuring lens magnification - Google Patents

Instrument for measuring focal length by measuring lens magnification

Info

Publication number
JPS533256A
JPS533256A JP7643377A JP7643377A JPS533256A JP S533256 A JPS533256 A JP S533256A JP 7643377 A JP7643377 A JP 7643377A JP 7643377 A JP7643377 A JP 7643377A JP S533256 A JPS533256 A JP S533256A
Authority
JP
Japan
Prior art keywords
measuring
instrument
focal length
lens magnification
measuring lens
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
JP7643377A
Other languages
Japanese (ja)
Other versions
JPS6052373B2 (en
Inventor
Shiyaruresu Paaji Pieeru
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.)
ESHIROORU INTERN CO GEN TOPUTE
Original Assignee
ESHIROORU INTERN CO GEN TOPUTE
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 ESHIROORU INTERN CO GEN TOPUTE filed Critical ESHIROORU INTERN CO GEN TOPUTE
Publication of JPS533256A publication Critical patent/JPS533256A/en
Publication of JPS6052373B2 publication Critical patent/JPS6052373B2/en
Expired 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)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
JP7643377A 1976-06-28 1977-06-27 Projection type foco for measuring the apex refractive power of a lens Expired JPS6052373B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7619559A FR2356925A1 (en) 1976-06-28 1976-06-28 PROJECTION FRONTOFOCOMETER TO MEASURE IN PARTICULAR THE FOCAL POWER OF A LENS TO BE TESTED
FR7619559 1976-06-28

Publications (2)

Publication Number Publication Date
JPS533256A true JPS533256A (en) 1978-01-12
JPS6052373B2 JPS6052373B2 (en) 1985-11-19

Family

ID=9174915

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7643377A Expired JPS6052373B2 (en) 1976-06-28 1977-06-27 Projection type foco for measuring the apex refractive power of a lens

Country Status (5)

Country Link
JP (1) JPS6052373B2 (en)
DE (1) DE2649159C3 (en)
FR (1) FR2356925A1 (en)
GB (1) GB1527478A (en)
IT (1) IT1083513B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54107949U (en) * 1978-01-16 1979-07-30

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5687836A (en) * 1979-12-19 1981-07-16 Tokyo Optical Co Ltd Projection type lens meter
US5424839A (en) * 1993-03-01 1995-06-13 Hughes Training, Inc. Method and apparatus for aligning visual images with visual display devices
WO2009068613A1 (en) 2007-11-30 2009-06-04 Essilor International (Compagnie Generale D'optique) Process for controlling a lens manufacturing process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54107949U (en) * 1978-01-16 1979-07-30
JPS582880Y2 (en) * 1978-01-16 1983-01-18 株式会社 宮城建窓 Blindfold for screen door

Also Published As

Publication number Publication date
JPS6052373B2 (en) 1985-11-19
FR2356925B1 (en) 1979-04-06
DE2649159A1 (en) 1977-12-29
FR2356925A1 (en) 1978-01-27
DE2649159B2 (en) 1978-08-10
DE2649159C3 (en) 1979-04-12
GB1527478A (en) 1978-10-04
IT1083513B (en) 1985-05-21

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