Imaging optical system
US12174343B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Mar 30, 2022 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Aug 16, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B13/06
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An imaging optical system wherein the number of lenses is three to seven, one to four lenses, each of which is an aspheric lens in which radius of curvature of each of both surfaces is infinity in the paraxial region and which has a power of the third-order aberration region in the peripheral area are provided, the first lens from the object side is a negative lens or the aspheric lens, the relationship
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.