FR410263A - Advanced lens for optical instruments - Google Patents
Advanced lens for optical instrumentsInfo
- Publication number
- FR410263A FR410263A FR410263DA FR410263A FR 410263 A FR410263 A FR 410263A FR 410263D A FR410263D A FR 410263DA FR 410263 A FR410263 A FR 410263A
- Authority
- FR
- France
- Prior art keywords
- optical instruments
- advanced lens
- advanced
- lens
- instruments
- 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
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Astronomy & Astrophysics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR410263T | 1909-10-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR410263A true FR410263A (en) | 1910-05-17 |
Family
ID=1454328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR410263D Expired FR410263A (en) | 1909-10-19 | 1909-10-19 | Advanced lens for optical instruments |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR410263A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2485345A (en) * | 1946-05-16 | 1949-10-18 | Abe A Ackerman | Reflecting telescopic objective of the cassegrainian type |
US2534543A (en) * | 1946-09-16 | 1950-12-19 | Andrew J Bramlette | Light concentrating reflector camera |
US2585009A (en) * | 1945-08-02 | 1952-02-12 | Farnsworth Res Corp | Concentric optical system |
US2664026A (en) * | 1949-11-03 | 1953-12-29 | American Optical Corp | Reflecting type image forming lens system |
-
1909
- 1909-10-19 FR FR410263D patent/FR410263A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2585009A (en) * | 1945-08-02 | 1952-02-12 | Farnsworth Res Corp | Concentric optical system |
US2485345A (en) * | 1946-05-16 | 1949-10-18 | Abe A Ackerman | Reflecting telescopic objective of the cassegrainian type |
US2534543A (en) * | 1946-09-16 | 1950-12-19 | Andrew J Bramlette | Light concentrating reflector camera |
US2664026A (en) * | 1949-11-03 | 1953-12-29 | American Optical Corp | Reflecting type image forming lens system |
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