Imaging lens and imaging apparatus
US10101565B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2016 |
| Grant date | Oct 16, 2018 |
| Priority date | — |
| Expiry date | Aug 17, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B13/0045
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An imaging lens includes, in order from the object side to the image side, a positive first lens group, a stop, a positive second lens group, and a positive third lens group. The first lens group includes, consecutively in order from the most object side thereof, a negative lens and a positive lens. The second lens group is of a three lens configuration and includes a positive lens and a negative lens. The third lens group includes, consecutively in order from the most object side thereof, a negative lens and a positive lens. The imaging lens satisfies Conditional Formula (1): 0<f1/f2<2, which is related to the focal length f1 of the first lens group and the focal length f2 of the second lens group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.