JPS6017416A - 眼底カメラの広角化前置レンズ - Google Patents

眼底カメラの広角化前置レンズ

Info

Publication number
JPS6017416A
JPS6017416A JP58124491A JP12449183A JPS6017416A JP S6017416 A JPS6017416 A JP S6017416A JP 58124491 A JP58124491 A JP 58124491A JP 12449183 A JP12449183 A JP 12449183A JP S6017416 A JPS6017416 A JP S6017416A
Authority
JP
Japan
Prior art keywords
lens
aperture stop
objective lens
image
eye
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
JP58124491A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0412450B2 (OSRAM
Inventor
Fumio Takahashi
文男 高橋
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 JP58124491A priority Critical patent/JPS6017416A/ja
Publication of JPS6017416A publication Critical patent/JPS6017416A/ja
Publication of JPH0412450B2 publication Critical patent/JPH0412450B2/ja
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/14—Arrangements specially adapted for eye photography
    • A61B3/15—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing
    • A61B3/156—Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection ; with means for relaxing for blocking
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/14—Arrangements specially adapted for eye photography

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Lenses (AREA)
  • Eye Examination Apparatus (AREA)
JP58124491A 1983-07-08 1983-07-08 眼底カメラの広角化前置レンズ Granted JPS6017416A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58124491A JPS6017416A (ja) 1983-07-08 1983-07-08 眼底カメラの広角化前置レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58124491A JPS6017416A (ja) 1983-07-08 1983-07-08 眼底カメラの広角化前置レンズ

Publications (2)

Publication Number Publication Date
JPS6017416A true JPS6017416A (ja) 1985-01-29
JPH0412450B2 JPH0412450B2 (OSRAM) 1992-03-04

Family

ID=14886814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58124491A Granted JPS6017416A (ja) 1983-07-08 1983-07-08 眼底カメラの広角化前置レンズ

Country Status (1)

Country Link
JP (1) JPS6017416A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114271782A (zh) * 2021-11-30 2022-04-05 视微影像(河南)科技有限公司 一种可切换成广角/超广角的眼底成像目镜

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52141094A (en) * 1976-05-19 1977-11-25 Canon Kk Dental wide angle objective lens
JPS5430695A (en) * 1977-08-09 1979-03-07 Canon Kk Variable angular ophthalmologic device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52141094A (en) * 1976-05-19 1977-11-25 Canon Kk Dental wide angle objective lens
JPS5430695A (en) * 1977-08-09 1979-03-07 Canon Kk Variable angular ophthalmologic device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114271782A (zh) * 2021-11-30 2022-04-05 视微影像(河南)科技有限公司 一种可切换成广角/超广角的眼底成像目镜

Also Published As

Publication number Publication date
JPH0412450B2 (OSRAM) 1992-03-04

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