Lens device for compensating aberration in the optical system and the adjustment method thereof
US10768414B2 · kind B2 · utility
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1References
19Claims
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Key dates
| Filing date | Jul 6, 2018 |
| Grant date | Sep 8, 2020 |
| Priority date | — |
| Expiry date | Dec 21, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/62
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention discloses a lens device suitable for the large-diameter lenses (with diameter ≥100 mm) of a vertical setup, and its adjustment method. The aberration caused by the self-gravity of lenses and the deformation generated by the clamping stress of the fixing device is compensated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.