Muncy, Geissler, Olds & Lowe, P.C.
Optical lens
An optical lens includes a first lens group, a second lens group and an aperture stop disposed between the first lens group and the second lens group. The optical lens satisfies the conditions of 7 mm<D<25 mm and 0.3<D/LT<0.5, where D is a diameter of a lens surface of the second lens group furthest from the first lens group and LT is a total lens length measured along an optical axis between a lens surface of the first lens group furthest from the second lens group and the lens surface of the second lens group furthest from the first lens group.
RAYS OPTICS INC.
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Hsin-Te Ching-Sheng Kuo-Chuan
Chen Chang Wang