NL220339A - - Google Patents
Info
- Publication number
- NL220339A NL220339A NL220339DA NL220339A NL 220339 A NL220339 A NL 220339A NL 220339D A NL220339D A NL 220339DA NL 220339 A NL220339 A NL 220339A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/04—Reversed telephoto objectives
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEV11204A DE1044440B (de) | 1956-09-12 | 1956-09-12 | Photographisches Weitwinkelobjektiv vom erweiterten Triplet-Typus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL220339A true NL220339A (fr) |
Family
ID=7573381
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL220339D NL220339A (fr) | 1956-09-12 | ||
| NL106792D NL106792C (fr) | 1956-09-12 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL106792D NL106792C (fr) | 1956-09-12 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2927506A (fr) |
| CH (1) | CH353910A (fr) |
| DE (1) | DE1044440B (fr) |
| FR (1) | FR1184702A (fr) |
| GB (1) | GB867649A (fr) |
| NL (2) | NL106792C (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB880848A (en) * | 1959-08-12 | 1961-10-25 | Rank Precision Ind Ltd | Improvements in or relating to optical objectives |
| GB926802A (en) * | 1961-02-07 | 1963-05-22 | Rank Precision Ind Ltd | Improvements in or relating to optical objectives |
| DE1280573B (de) * | 1962-08-24 | 1968-10-17 | Schneider Co Optische Werke | Photographisches oder kinematographisches Objektiv groesserer Bildwinkelleistung |
| JP3021127B2 (ja) * | 1991-10-23 | 2000-03-15 | キヤノン株式会社 | レトロフォーカス型レンズ |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1934561A (en) * | 1932-03-10 | 1933-11-07 | Bausch & Lomb | Lens system |
| US2298853A (en) * | 1939-11-09 | 1942-10-13 | Taylor Taylor & Hobson Ltd | Optical objective |
| US2649022A (en) * | 1950-02-17 | 1953-08-18 | Angenieux Pierre | Wide-angle photographic objective lens assembly |
| CH311283A (de) * | 1952-03-05 | 1955-11-30 | Voigtlaender Ag | Photographisches Objektiv vom erweiterten Triplet-Typus. |
| US2826115A (en) * | 1954-07-16 | 1958-03-11 | Zeiss Carl | Photographic objective |
-
0
- NL NL220339D patent/NL220339A/xx unknown
- NL NL106792D patent/NL106792C/xx active
-
1956
- 1956-09-12 DE DEV11204A patent/DE1044440B/de active Pending
-
1957
- 1957-08-10 CH CH353910D patent/CH353910A/de unknown
- 1957-09-03 GB GB27788/57A patent/GB867649A/en not_active Expired
- 1957-09-09 US US682808A patent/US2927506A/en not_active Expired - Lifetime
- 1957-09-12 FR FR1184702D patent/FR1184702A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1044440B (de) | 1958-11-20 |
| GB867649A (en) | 1961-05-10 |
| NL106792C (fr) | |
| CH353910A (de) | 1961-04-30 |
| US2927506A (en) | 1960-03-08 |
| FR1184702A (fr) | 1959-07-24 |