Patent ID: 9551857
Date: 2017-01-24
CPC Classifications: G02B,H04N

Claim:
1. A camera apparatus, comprising: an image sensor; a stop aperture; an infrared cut filter disposed between the image sensor and the stop aperture; and a lens assembly having a field of view ranging between 80 degrees and 110 degrees disposed between the infrared cut filter on an image side of the lens assembly and the stop aperture on an object side of the lens assembly, the lens assembly including six lenses, wherein four of the six lenses have positive optical power and two of the six lenses have negative optical power, wherein the six lenses include first, second, third, fourth, fifth, and sixth lenses having first inline, second inline, third inline, fourth inline, fifth inline, and sixth inline relative positions, respectively, along an optical path through the lens assembly, wherein the first lens is disposed closest to the stop aperture and has positive optical power, and wherein the first lens has weaker positive optical power, and is made of a material having a lower Abbe number, than all others of the six lenses that have positive optical power.