Photographic lens and camera module

Details Photographic lens and camera module Photographic lens and camera module

2005-05-03

2005-05-03

Epps, Georgia (Department: 2873)

Optical: systems and elements

Lens

Including a nonspherical surface

C348S335000

Reexamination Certificate

active

06888687

ABSTRACT:
For a positive lens having a convex surface on an image side thereof and a diaphragm provided on an object side thereof, the following conditions are satisfied when a surface of the lens at least on the image side is aspheric, a focal length is f, a distance from the diaphragm to a front surface of the lens is D0, and a thickness of the lens is D1: 0.2<D0/f<0.8, 1.2<(D0+D1)/f, and 0.4<R2/f<1.0.

REFERENCES:
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Communication from Japanese Patent Office re: counterpart application. (No translation).

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