FR86076E - High brightness varifocal lens - Google Patents
High brightness varifocal lensInfo
- Publication number
- FR86076E FR86076E FR973337A FR973337A FR86076E FR 86076 E FR86076 E FR 86076E FR 973337 A FR973337 A FR 973337A FR 973337 A FR973337 A FR 973337A FR 86076 E FR86076 E FR 86076E
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR973337A FR86076E (en) | 1961-07-26 | 1964-05-05 | High brightness varifocal lens |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESCH30039A DE1209770B (en) | 1961-07-26 | 1961-07-26 | Powerful varifocal lens |
DESCH33278A DE1259596B (en) | 1961-07-26 | 1963-05-14 | Powerful varifocal lens |
FR973337A FR86076E (en) | 1961-07-26 | 1964-05-05 | High brightness varifocal lens |
DESC037311 | 1965-07-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR86076E true FR86076E (en) | 1965-12-03 |
Family
ID=31721583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR973337A Expired FR86076E (en) | 1961-07-26 | 1964-05-05 | High brightness varifocal lens |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR86076E (en) |
-
1964
- 1964-05-05 FR FR973337A patent/FR86076E/en not_active Expired
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