FR822592A - Lunette avec verres additionnels escamotables, permettant un travail précis à des distances variables - Google Patents
Lunette avec verres additionnels escamotables, permettant un travail précis à des distances variablesInfo
- Publication number
- FR822592A FR822592A FR822592DA FR822592A FR 822592 A FR822592 A FR 822592A FR 822592D A FR822592D A FR 822592DA FR 822592 A FR822592 A FR 822592A
- Authority
- FR
- France
- Prior art keywords
- telescope
- variable distances
- allowing precise
- precise work
- additional retractable
- 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
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C9/00—Attaching auxiliary optical parts
- G02C9/02—Attaching auxiliary optical parts by hinging
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR822592T | 1936-12-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR822592A true FR822592A (fr) | 1938-01-04 |
Family
ID=9280982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR822592D Expired FR822592A (fr) | 1936-12-08 | 1936-12-08 | Lunette avec verres additionnels escamotables, permettant un travail précis à des distances variables |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR822592A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1981003119A1 (fr) * | 1980-05-08 | 1981-11-12 | Lhp Loupes Hautes Performances | Dispositif optique correcteur provisoire permettant le choix d'une monture nue |
-
1936
- 1936-12-08 FR FR822592D patent/FR822592A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1981003119A1 (fr) * | 1980-05-08 | 1981-11-12 | Lhp Loupes Hautes Performances | Dispositif optique correcteur provisoire permettant le choix d'une monture nue |
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