JPS57125302A - Automatic measuring device of radius of curvature - Google Patents

Automatic measuring device of radius of curvature

Info

Publication number
JPS57125302A
JPS57125302A JP56010108A JP1010881A JPS57125302A JP S57125302 A JPS57125302 A JP S57125302A JP 56010108 A JP56010108 A JP 56010108A JP 1010881 A JP1010881 A JP 1010881A JP S57125302 A JPS57125302 A JP S57125302A
Authority
JP
Japan
Prior art keywords
objective lens
curvature
checked
lens
optical axis
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
JP56010108A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6343091B2 (zh
Inventor
Makoto Uehara
Masao Noda
Shiyuuichi Nakabarai
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.)
Nikon Corp
Original Assignee
Nikon Corp
Nippon Kogaku KK
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 Nikon Corp, Nippon Kogaku KK filed Critical Nikon Corp
Priority to JP56010108A priority Critical patent/JPS57125302A/ja
Publication of JPS57125302A publication Critical patent/JPS57125302A/ja
Publication of JPS6343091B2 publication Critical patent/JPS6343091B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/255—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring radius of curvature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Eye Examination Apparatus (AREA)
JP56010108A 1981-01-28 1981-01-28 Automatic measuring device of radius of curvature Granted JPS57125302A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56010108A JPS57125302A (en) 1981-01-28 1981-01-28 Automatic measuring device of radius of curvature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56010108A JPS57125302A (en) 1981-01-28 1981-01-28 Automatic measuring device of radius of curvature

Publications (2)

Publication Number Publication Date
JPS57125302A true JPS57125302A (en) 1982-08-04
JPS6343091B2 JPS6343091B2 (zh) 1988-08-29

Family

ID=11741115

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56010108A Granted JPS57125302A (en) 1981-01-28 1981-01-28 Automatic measuring device of radius of curvature

Country Status (1)

Country Link
JP (1) JPS57125302A (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819225A (ja) * 1981-07-29 1983-02-04 マミヤ光機株式会社 角膜計
JPS62224350A (ja) * 1986-03-25 1987-10-02 キヤノン株式会社 眼科装置
JPS62290435A (ja) * 1986-06-09 1987-12-17 キヤノン株式会社 角膜形状測定装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5819225A (ja) * 1981-07-29 1983-02-04 マミヤ光機株式会社 角膜計
JPS628170B2 (zh) * 1981-07-29 1987-02-21 Mamiya Camera
JPS62224350A (ja) * 1986-03-25 1987-10-02 キヤノン株式会社 眼科装置
JPH0651023B2 (ja) * 1986-03-25 1994-07-06 キヤノン株式会社 眼科装置
JPS62290435A (ja) * 1986-06-09 1987-12-17 キヤノン株式会社 角膜形状測定装置
JPH0576293B2 (zh) * 1986-06-09 1993-10-22 Canon Kk

Also Published As

Publication number Publication date
JPS6343091B2 (zh) 1988-08-29

Similar Documents

Publication Publication Date Title
US5036347A (en) Visual line detecting device and camera having the same
JPS645539A (en) Glasses equipped with magnetifying glass having automatic focusing function
US2701501A (en) Apparatus for testing of centering, coaxiality, alignment
DK331788A (da) Optisk system til bestemmelse af forandringen i krumningen af et objekt paa et lille omraade
SU1382410A3 (ru) Оптический датчик с автоматической системой регулировани объектива
JPS57125302A (en) Automatic measuring device of radius of curvature
US2016780A (en) Instrument for examining convexly curved surfaces
GB2212040A (en) Light aiming device for medical or dental X-ray equipment
JPS58199317A (ja) 一眼レフカメラ用アタツチメント光学系
JPS56132309A (en) Automatically focusable binoculars
JPS5772003A (en) Method of measuring inner diameter of transparent tube
JPS57197511A (en) Focusing device for binocular stereoscopic microscope
GB719700A (en) Method of and apparatus for testing lenses
JPS5726704A (en) Measuring instrument for three-dimensional shape
CN218446002U (zh) 一种具有夜视功能的红外测距仪
RU27424U1 (ru) Устройство для контроля параметров приборов наведения
JPS57108613A (en) Optical device
JPH06163A (ja) 視線検出装置
JP2817796B2 (ja) 眼屈折力測定装置
JPS56130725A (en) Optical device for focus detection
JPS57197404A (en) Measuring method of radius of curvature
JPS6240568Y2 (zh)
RU1809414C (ru) Способ автоматической фокусировки оптической системы и устройство дл его осуществлени
SU1191872A1 (ru) Способ определени положени плоскости наводки зеркального фотоаппарата
SU549772A1 (ru) Автоколлимационное устройство двойного изображени