JPH0472209U - - Google Patents
Info
- Publication number
- JPH0472209U JPH0472209U JP1990116227U JP11622790U JPH0472209U JP H0472209 U JPH0472209 U JP H0472209U JP 1990116227 U JP1990116227 U JP 1990116227U JP 11622790 U JP11622790 U JP 11622790U JP H0472209 U JPH0472209 U JP H0472209U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- variable power
- zoom lens
- inner cylinder
- power 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
- 238000005286 illumination Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/06—Means for illuminating specimens
- G02B21/08—Condensers
- G02B21/082—Condensers for incident illumination only
- G02B21/084—Condensers for incident illumination only having annular illumination around the objective
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/142—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having two groups only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Lens Barrels (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Microscoopes, Condenser (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990116227U JP2533189Y2 (ja) | 1990-11-07 | 1990-11-07 | 照明系を組込んだズームレンズ |
| US07/788,538 US5287220A (en) | 1990-11-07 | 1991-11-06 | Zoom lens having an illumination system incorporated therein |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990116227U JP2533189Y2 (ja) | 1990-11-07 | 1990-11-07 | 照明系を組込んだズームレンズ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0472209U true JPH0472209U (US06633600-20031014-M00021.png) | 1992-06-25 |
| JP2533189Y2 JP2533189Y2 (ja) | 1997-04-23 |
Family
ID=14681981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990116227U Expired - Lifetime JP2533189Y2 (ja) | 1990-11-07 | 1990-11-07 | 照明系を組込んだズームレンズ |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5287220A (US06633600-20031014-M00021.png) |
| JP (1) | JP2533189Y2 (US06633600-20031014-M00021.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19755392C2 (de) * | 1997-12-12 | 2001-05-10 | Zentrum Fuer Neuroinformatik G | Abbildendes optisches System |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58100806A (ja) * | 1981-12-11 | 1983-06-15 | Japan Atom Energy Res Inst | フアイバスコ−プのズ−ムレンズ鏡筒 |
| JPS63106186U (US06633600-20031014-M00021.png) * | 1986-12-27 | 1988-07-08 | ||
| JPH01221717A (ja) * | 1987-12-04 | 1989-09-05 | Olympus Optical Co Ltd | 内視鏡装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4046463A (en) * | 1974-07-17 | 1977-09-06 | Surgical Microsystems, Inc. | Indicating an asphericity of the cornea of an eye |
| DE2852203C3 (de) * | 1978-12-02 | 1982-03-11 | Ibm Deutschland Gmbh, 7000 Stuttgart | Lichtleiteinrichtung für eine mit Auflicht betriebene Abbildungsvorrichtung |
| JPS5828712A (ja) * | 1981-08-13 | 1983-02-19 | Olympus Optical Co Ltd | 暗視野照明用光学系 |
| US4596449A (en) * | 1982-12-14 | 1986-06-24 | West Electric Company Ltd. | Zoom lens apparatus |
| US4597648A (en) * | 1983-04-01 | 1986-07-01 | Keratometer Research And Development | Keratometer |
-
1990
- 1990-11-07 JP JP1990116227U patent/JP2533189Y2/ja not_active Expired - Lifetime
-
1991
- 1991-11-06 US US07/788,538 patent/US5287220A/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58100806A (ja) * | 1981-12-11 | 1983-06-15 | Japan Atom Energy Res Inst | フアイバスコ−プのズ−ムレンズ鏡筒 |
| JPS63106186U (US06633600-20031014-M00021.png) * | 1986-12-27 | 1988-07-08 | ||
| JPH01221717A (ja) * | 1987-12-04 | 1989-09-05 | Olympus Optical Co Ltd | 内視鏡装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US5287220A (en) | 1994-02-15 |
| JP2533189Y2 (ja) | 1997-04-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |