JPS6420805U - - Google Patents

Info

Publication number
JPS6420805U
JPS6420805U JP11593787U JP11593787U JPS6420805U JP S6420805 U JPS6420805 U JP S6420805U JP 11593787 U JP11593787 U JP 11593787U JP 11593787 U JP11593787 U JP 11593787U JP S6420805 U JPS6420805 U JP S6420805U
Authority
JP
Japan
Prior art keywords
fundus
lens
variable magnification
focusing index
objective
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
JP11593787U
Other languages
Japanese (ja)
Other versions
JPH0420402Y2 (en
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 JP1987115937U priority Critical patent/JPH0420402Y2/ja
Publication of JPS6420805U publication Critical patent/JPS6420805U/ja
Application granted granted Critical
Publication of JPH0420402Y2 publication Critical patent/JPH0420402Y2/ja
Expired legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

各図はこの考案の眼底カメラの一実施例を示す
図で、第１図は同眼底カメラの光学系を示す図、
第２図は眼底像を示す図である。 １……照明系、２……観察撮影系、３……ピン
ト合わせ用指標投影系、２２……孔あきミラー（
光路分割手段）、２０……対物レンズ、２３……
変倍レンズ系、４６……指標マスク板、６２……
ピント合わせ用指標像、Ｅ……被検眼、Ｆ……眼
底。 Each figure shows an embodiment of the fundus camera of this invention, and FIG. 1 is a diagram showing the optical system of the fundus camera.
FIG. 2 is a diagram showing a fundus image. 1...Illumination system, 2...Observation and photography system, 3...Indicator projection system for focusing, 22...Perforated mirror (
optical path splitting means), 20...objective lens, 23...
Variable magnification lens system, 46... Index mask plate, 62...
Focusing index image, E...eye to be examined, F...fundus.

Claims (1)

【実用新案登録請求の範囲】 対物レンズを介して被検眼の眼底を照明するた
めの照明系と、 対物レンズと変倍レンズ系を有し被検眼眼底を
観察するための観察系と、 前記対物レンズと変倍レンズ系との間に配置し
た光路分割手段を介して眼底にピント合わせ用指
標像を投影するためのピント合わせ用指標投影系
とを有する眼底カメラにおいて、 前記変倍レンズによる変倍に応じてピント合わ
せ指標像の明るさを調整するための調節手段を設
けたことを特徴とする眼底カメラ。[Claims for Utility Model Registration] An illumination system for illuminating the fundus of an eye to be examined through an objective lens; an observation system for observing the fundus of the eye to be examined having an objective lens and a variable magnification lens system; and the objective. A fundus camera having a focusing index projection system for projecting a focusing index image onto the fundus through an optical path dividing means disposed between a lens and a variable magnification lens system, wherein the variable magnification lens is configured to change magnification by the variable magnification lens. A fundus camera, characterized in that it is provided with an adjustment means for adjusting the brightness of a focusing index image according to.
JP1987115937U 1987-07-29 1987-07-29 Expired JPH0420402Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987115937U JPH0420402Y2 (en) 1987-07-29 1987-07-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987115937U JPH0420402Y2 (en) 1987-07-29 1987-07-29

Publications (2)

Publication Number Publication Date
JPS6420805U true JPS6420805U (en) 1989-02-01
JPH0420402Y2 JPH0420402Y2 (en) 1992-05-11

Family

ID=31358034

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987115937U Expired JPH0420402Y2 (en) 1987-07-29 1987-07-29

Country Status (1)

Country Link
JP (1) JPH0420402Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5977830A (en) * 1982-10-28 1984-05-04 オリンパス光学工業株式会社 Luminous light amount variable type eye bottom camera
JPS6234530A (en) * 1985-08-09 1987-02-14 キヤノン株式会社 Eyeground camera

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5977830A (en) * 1982-10-28 1984-05-04 オリンパス光学工業株式会社 Luminous light amount variable type eye bottom camera
JPS6234530A (en) * 1985-08-09 1987-02-14 キヤノン株式会社 Eyeground camera

Also Published As

Publication number Publication date
JPH0420402Y2 (en) 1992-05-11

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