JPH02140519U - - Google Patents

Info

Publication number
JPH02140519U
JPH02140519U JP4966389U JP4966389U JPH02140519U JP H02140519 U JPH02140519 U JP H02140519U JP 4966389 U JP4966389 U JP 4966389U JP 4966389 U JP4966389 U JP 4966389U JP H02140519 U JPH02140519 U JP H02140519U
Authority
JP
Japan
Prior art keywords
positive lens
light guide
lens system
placed facing
focal length
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
JP4966389U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP4966389U priority Critical patent/JPH02140519U/ja
Publication of JPH02140519U publication Critical patent/JPH02140519U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
JP4966389U 1989-04-28 1989-04-28 Pending JPH02140519U (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4966389U JPH02140519U (en]) 1989-04-28 1989-04-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4966389U JPH02140519U (en]) 1989-04-28 1989-04-28

Publications (1)

Publication Number Publication Date
JPH02140519U true JPH02140519U (en]) 1990-11-26

Family

ID=31567552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4966389U Pending JPH02140519U (en]) 1989-04-28 1989-04-28

Country Status (1)

Country Link
JP (1) JPH02140519U (en])

Similar Documents

Publication Publication Date Title
EP0100517B1 (en) Optical fiber sensor
US4858002A (en) Wide-angle objective for endoscopes
JPH0980305A (ja) 内視鏡対物レンズ
US5703724A (en) Objective lens system for endoscope
JPH07104494B2 (ja) 内視鏡用照明光学系
JPS6128965B2 (en])
JPH0373844B2 (en])
US4783156A (en) Optical system for altering the direction of the visual field in endoscopes
JPS6155086B2 (en])
JPH0814661B2 (ja) 視野変換光学系
JP3429602B2 (ja) 内視鏡用対物レンズ
JPH02140519U (en])
JP3030585B2 (ja) 照明光学系
JP2521959B2 (ja) 結像レンズ
JP3385090B2 (ja) 斜視型側視内視鏡の対物レンズ
JP3020074B2 (ja) 照明光学系
EP0141037B1 (en) Image transmission device
US6233101B1 (en) Modified gaussian lens
JP3049524B2 (ja) 内視鏡対物光学系
JP2572930Y2 (ja) 照明用拡散部材
JPS58131010U (ja) 内視鏡対物光学系
JPH0143929B2 (en])
JPH03100817U (en])
JPS589208Y2 (ja) 内視鏡
JP2714686B2 (ja) 内視鏡用リレーレンズ