GB1095539A - - Google Patents
Info
- Publication number
- GB1095539A GB1095539A GB1095539DA GB1095539A GB 1095539 A GB1095539 A GB 1095539A GB 1095539D A GB1095539D A GB 1095539DA GB 1095539 A GB1095539 A GB 1095539A
- Authority
- GB
- United Kingdom
- Prior art keywords
- focal length
- zeiss
- carl
- variable focal
- stiftung
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Lenses (AREA)
Abstract
1,095,539. Variable focal length objectives. CARL-ZEISS-STIFTUNG [trading as Carl Zeiss]. July 27, 1966 [Aug. 10, 1965], No.33699. Addition to 967, 924. Heading G2J. In a variable focal length objective as in Specification 967, 924, the back focal length is increased by providing, within the rear positive group D, a negative meniscus L XIII immediately behind the diaphragm and concave thereto, followed by three positive components L XIV - L XVIII of which two are formed as cemented doublets. Optical data are provided for the example shown.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEZ11700A DE1217098B (en) | 1965-08-10 | 1965-08-10 | Photographic lens with adjustable focal length |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1095539A true GB1095539A (en) |
Family
ID=7622010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1095539D Active GB1095539A (en) | 1965-08-10 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1217098B (en) |
GB (1) | GB1095539A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3584935A (en) * | 1968-06-03 | 1971-06-15 | Konishiroku Photo Ind | Improved wide angle zoom objective lens system |
US3609005A (en) * | 1968-10-08 | 1971-09-28 | Nippon Kogaku Kk | Varifocal optical system for zoom lens having ultra-high zoom ratio |
-
0
- GB GB1095539D patent/GB1095539A/en active Active
-
1965
- 1965-08-10 DE DEZ11700A patent/DE1217098B/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3584935A (en) * | 1968-06-03 | 1971-06-15 | Konishiroku Photo Ind | Improved wide angle zoom objective lens system |
US3609005A (en) * | 1968-10-08 | 1971-09-28 | Nippon Kogaku Kk | Varifocal optical system for zoom lens having ultra-high zoom ratio |
Also Published As
Publication number | Publication date |
---|---|
DE1217098B (en) | 1966-05-18 |
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