JPS5613923B2 - - Google Patents
Info
- Publication number
- JPS5613923B2 JPS5613923B2 JP10984772A JP10984772A JPS5613923B2 JP S5613923 B2 JPS5613923 B2 JP S5613923B2 JP 10984772 A JP10984772 A JP 10984772A JP 10984772 A JP10984772 A JP 10984772A JP S5613923 B2 JPS5613923 B2 JP S5613923B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/02—Objectives
- G02B21/025—Objectives with variable magnification
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microscoopes, Condenser (AREA)
- Eye Examination Apparatus (AREA)
- Lens Barrels (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2154977A DE2154977A1 (de) | 1971-11-05 | 1971-11-05 | Pankratischer vergroesserungswechsler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4858849A JPS4858849A (en:Method) | 1973-08-17 |
| JPS5613923B2 true JPS5613923B2 (en:Method) | 1981-04-01 |
Family
ID=5824264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10984772A Expired JPS5613923B2 (en:Method) | 1971-11-05 | 1972-11-01 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3840291A (en:Method) |
| JP (1) | JPS5613923B2 (en:Method) |
| DE (1) | DE2154977A1 (en:Method) |
| GB (1) | GB1365248A (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4076388A (en) * | 1974-10-21 | 1978-02-28 | Xerox Corporation | Zoom lens assembly |
| DE8003643U1 (de) * | 1980-02-12 | 1980-05-08 | Fa. Carl Zeiss, 7920 Heidenheim | Verstellvorrichtung fuer ein pankratisches objektiv eines stereomikroskops |
| US4443076A (en) * | 1981-10-20 | 1984-04-17 | Mitutoyo Mfg. Co., Ltd. | Projecting apparatus |
| US4571038A (en) * | 1982-11-08 | 1986-02-18 | Jako Geza J | Binocular zoom microscope |
| EP0273382B1 (en) * | 1986-12-27 | 1993-03-10 | Victor Company Of Japan, Limited | Drive control of zoom lens in zooming system |
| JPH03237413A (ja) * | 1990-02-15 | 1991-10-23 | Asahi Optical Co Ltd | 電動焦点距離変更装置 |
| GB2530807B (en) * | 2014-10-03 | 2017-01-18 | Vitec Group Plc | A Focus Control Device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4527645Y1 (en:Method) * | 1967-10-03 | 1970-10-26 |
-
1971
- 1971-11-05 DE DE2154977A patent/DE2154977A1/de active Pending
-
1972
- 1972-10-30 GB GB4994572A patent/GB1365248A/en not_active Expired
- 1972-10-31 US US00302572A patent/US3840291A/en not_active Expired - Lifetime
- 1972-11-01 JP JP10984772A patent/JPS5613923B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1365248A (en) | 1974-08-29 |
| JPS4858849A (en:Method) | 1973-08-17 |
| DE2154977A1 (de) | 1973-05-17 |
| US3840291A (en) | 1974-10-08 |