Zoom objective lens
US10345569B2 · kind B2 · utility
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0References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2016 |
| Grant date | Jul 9, 2019 |
| Priority date | — |
| Expiry date | Dec 7, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B15/167
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention relates to a zoom objective lens with continuously adjustable magnification, comprising five lens groups, where the first lens group, the second lens group and the fifth lens group are fixed in relation to an object. The third lens group and the fourth lens group are axially displaceable. The following conditions apply to the lens:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.