FR1516612A - High brightness varifocal lens - Google Patents
High brightness varifocal lensInfo
- Publication number
- FR1516612A FR1516612A FR99757A FR99757A FR1516612A FR 1516612 A FR1516612 A FR 1516612A FR 99757 A FR99757 A FR 99757A FR 99757 A FR99757 A FR 99757A FR 1516612 A FR1516612 A FR 1516612A
- Authority
- FR
- France
- Prior art keywords
- high brightness
- varifocal lens
- varifocal
- lens
- brightness
- 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.)
- Expired
Links
Classifications
-
- 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
- G02B15/145—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 five groups only
- G02B15/1451—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 five groups only the first group being positive
- G02B15/145125—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 five groups only the first group being positive arranged +--++
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR99757A FR1516612A (en) | 1966-04-05 | 1967-03-22 | High brightness varifocal lens |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESC038786 | 1966-04-05 | ||
FR99757A FR1516612A (en) | 1966-04-05 | 1967-03-22 | High brightness varifocal lens |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1516612A true FR1516612A (en) | 1968-03-08 |
Family
ID=25993359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR99757A Expired FR1516612A (en) | 1966-04-05 | 1967-03-22 | High brightness varifocal lens |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1516612A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113703144A (en) * | 2021-09-26 | 2021-11-26 | 江西凤凰光学科技有限公司 | High-pixel large-target-surface lens |
-
1967
- 1967-03-22 FR FR99757A patent/FR1516612A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113703144A (en) * | 2021-09-26 | 2021-11-26 | 江西凤凰光学科技有限公司 | High-pixel large-target-surface lens |
CN113703144B (en) * | 2021-09-26 | 2024-04-26 | 江西凤凰光学科技有限公司 | High-pixel large-target-surface lens |
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