JPS6320118U - - Google Patents
Info
- Publication number
- JPS6320118U JPS6320118U JP11151786U JP11151786U JPS6320118U JP S6320118 U JPS6320118 U JP S6320118U JP 11151786 U JP11151786 U JP 11151786U JP 11151786 U JP11151786 U JP 11151786U JP S6320118 U JPS6320118 U JP S6320118U
- Authority
- JP
- Japan
- Prior art keywords
- roof prism
- diaphragm plate
- optical system
- endoscope
- objective 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
Links
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims 1
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Description
図面は本考案に係る内視鏡用対物レンズ光学系
の実施例を示すものにして、第１図はその要部構
成説明用縦断側面図で、第２図は第１図における
矢印Ｘ方向にみて示した正面図、第３図はその押
え鏡胴のみの縦断側面図である。
１；主鏡胴、２；環状突条、３；螺入孔、４；
固定用螺子、５；押え鏡胴、６；ダハプリズム装
着用切欠部、７；押え鍔部、１１；接合レンズ、
１２；単レンズ、１３；ダハプリズム、１３ａ；
一端光学面、１３ｂ；他端光学面、１４；凹レン
ズ、１５；絞り板、１５ａ；開口部、１６；第１
間隔設定用環、１７；第２間隔設定用環。
The drawings show an embodiment of the objective lens optical system for an endoscope according to the present invention, and FIG. 1 is a longitudinal cross-sectional side view for explaining the configuration of its main parts, and FIG. 2 is a side view taken in the direction of the arrow X in FIG. FIG. 3 is a longitudinal sectional side view of only the holding lens barrel. 1; Main lens barrel, 2; Annular protrusion, 3; Threaded hole, 4;
Fixing screw, 5; Holder lens barrel, 6; Notch for attaching roof prism, 7; Holder flange, 11; Cemented lens,
12; Single lens, 13; Roof prism, 13a;
One end optical surface, 13b; Other end optical surface, 14; Concave lens, 15; Aperture plate, 15a; Aperture, 16; First
Spacing setting ring, 17; second spacing setting ring.
Claims (1)
ンズ光学系におけるダハプリズムとこれに隣接す
るレンズとの間に配置される一定の開口部を備え
た絞り板とこの絞り板が密接せしめられた間隔設
定用環を定置せしめるための鏡胴ダハプリズム装
着測端面の一部を切欠してダハプリズム装着用切
欠部を形成し、ダハプリズムの一方の光学面に前
記絞り板を密接させて該絞り板を固定したことを
特徴とする内視鏡用対物レンズ光学系。 (2) 前記絞り板の厚さを０．０３mm程度となし
たことを特徴とする実用新案登録請求の範囲第１
項記載の内視鏡用対物レンズ光学系。[Claims for Utility Model Registration] (1) In an endoscope objective lens optical system incorporating a roof prism, a diaphragm plate with a certain opening disposed between the roof prism and an adjacent lens; A part of the lens barrel roof prism mounting end measurement surface is cut out to form a notch for mounting the roof prism, and the diaphragm plate is tightly mounted on one optical surface of the roof prism in order to fix the spacing setting ring in which the diaphragm plate is brought into close contact with the lens barrel. An objective lens optical system for an endoscope, characterized in that the diaphragm plate is fixed in a fixed manner. (2) Claim 1 of the utility model registration, characterized in that the thickness of the aperture plate is approximately 0.03 mm.
The objective lens optical system for an endoscope as described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11151786U JPH0432650Y2 (en) | 1986-07-22 | 1986-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11151786U JPH0432650Y2 (en) | 1986-07-22 | 1986-07-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6320118U true JPS6320118U (en) | 1988-02-09 |
| JPH0432650Y2 JPH0432650Y2 (en) | 1992-08-06 |
Family
ID=30991509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11151786U Expired JPH0432650Y2 (en) | 1986-07-22 | 1986-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0432650Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03275028A (en) * | 1990-03-23 | 1991-12-05 | Olympus Optical Co Ltd | Endoscope |
| JP2002014210A (en) * | 2000-06-28 | 2002-01-18 | Asahi Optical Co Ltd | Right-angle roof prism used for side viewable endoscope |
-
1986
- 1986-07-22 JP JP11151786U patent/JPH0432650Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03275028A (en) * | 1990-03-23 | 1991-12-05 | Olympus Optical Co Ltd | Endoscope |
| JP2002014210A (en) * | 2000-06-28 | 2002-01-18 | Asahi Optical Co Ltd | Right-angle roof prism used for side viewable endoscope |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0432650Y2 (en) | 1992-08-06 |
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