GB1421806A - Optical lens systems centrifugal pump with means - Google Patents
Optical lens systems centrifugal pump with meansInfo
- Publication number
- GB1421806A GB1421806A GB4138073A GB4138073A GB1421806A GB 1421806 A GB1421806 A GB 1421806A GB 4138073 A GB4138073 A GB 4138073A GB 4138073 A GB4138073 A GB 4138073A GB 1421806 A GB1421806 A GB 1421806A
- Authority
- GB
- United Kingdom
- Prior art keywords
- optical lens
- centrifugal pump
- lens systems
- eye
- sept
- 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
- G02B25/00—Eyepieces; Magnifying glasses
- G02B25/001—Eyepieces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Microscoopes, Condenser (AREA)
Abstract
1421806 Microscope eye-piece AMERICAN OPTICAL CORP 3 Sept 1973 [11 Sept 1972] 41380/73 Heading G2J An eye-piece having a magnification of 6.3X, an apparent field of view of 38.6 degrees, a maximum exit pupil diameter of 2.65mm, a Petzval radius of 7.5F and having an eye relief of 0.47F (F = focal length) has optical elements as shown. Optical data are given.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28820872A | 1972-09-11 | 1972-09-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1421806A true GB1421806A (en) | 1976-01-21 |
Family
ID=23106206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4138073A Expired GB1421806A (en) | 1972-09-11 | 1973-09-03 | Optical lens systems centrifugal pump with means |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS4969149A (en) |
AT (1) | AT348272B (en) |
GB (1) | GB1421806A (en) |
-
1973
- 1973-07-13 AT AT620073A patent/AT348272B/en not_active IP Right Cessation
- 1973-09-03 GB GB4138073A patent/GB1421806A/en not_active Expired
- 1973-09-07 JP JP48100420A patent/JPS4969149A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ATA620073A (en) | 1978-06-15 |
AT348272B (en) | 1979-02-12 |
JPS4969149A (en) | 1974-07-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1401687A (en) | Unit magnification catoptric system | |
GB1360287A (en) | Wide angle photographic lens system | |
GB1473266A (en) | Achromatic aplanatic condenser | |
GB1451885A (en) | Image rotating optical system | |
GB1130200A (en) | Microscope immersion objectives | |
GB772912A (en) | An optical system of high acceptance angle | |
GB1480731A (en) | Three element eyepiece with magnification of 12x | |
GB1441119A (en) | Zoom lens | |
GB1421806A (en) | Optical lens systems centrifugal pump with means | |
GB1431368A (en) | ||
GB1333755A (en) | Optical system for a microscope | |
GB1422320A (en) | Optical lens systems | |
JPS6046687B2 (en) | Projection/Photography Lens | |
GB1495062A (en) | Objectives having variable focal length | |
ES391707A1 (en) | Continuously-variable-magnification afocal lens system | |
GB1252086A (en) | ||
GB1403915A (en) | High aperture objective of the extended gauss-type | |
GB740530A (en) | Improvements in wide angle objectives | |
GB1222009A (en) | Zoom objective | |
GB1397508A (en) | Optical lens systems | |
GB945652A (en) | Improvements in or relating to variable focal length or variable magnification lens systems | |
GB991853A (en) | Improvements in or relating to lens systems | |
GB1218704A (en) | Lens system | |
GB1019402A (en) | Camera objectives | |
GB820737A (en) | Photographic teleobjective |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |