FR1470244A - Objectif pancratique - Google Patents
Objectif pancratiqueInfo
- Publication number
- FR1470244A FR1470244A FR51444A FR51444A FR1470244A FR 1470244 A FR1470244 A FR 1470244A FR 51444 A FR51444 A FR 51444A FR 51444 A FR51444 A FR 51444A FR 1470244 A FR1470244 A FR 1470244A
- Authority
- FR
- France
- Prior art keywords
- pancratic
- objective
- pancratic objective
- 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
- 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
-
- 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
- G02B15/144—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 four groups only
- G02B15/1441—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 four groups only the first group being positive
- G02B15/144113—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 four 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 |
---|---|---|---|
FR51444A FR1470244A (fr) | 1965-03-01 | 1966-03-01 | Objectif pancratique |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US435873A US3415592A (en) | 1965-03-01 | 1965-03-01 | Linear motion zoom objective |
FR51444A FR1470244A (fr) | 1965-03-01 | 1966-03-01 | Objectif pancratique |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1470244A true FR1470244A (fr) | 1967-02-17 |
Family
ID=26168893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR51444A Expired FR1470244A (fr) | 1965-03-01 | 1966-03-01 | Objectif pancratique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1470244A (fr) |
-
1966
- 1966-03-01 FR FR51444A patent/FR1470244A/fr not_active Expired
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