Photographic lens system

Details Photographic lens system Photographic lens system

1985-06-25

1988-12-20

Corbin, John K.

350469, G02B 934

Patent

active

047922168

ABSTRACT:
A compact photographic lens system of 4-components in which only the image side surface of the fourth lens component, numbered from the object side, is aspheric and whose radius of curvature decreases in accordance with the increase of the height from the optical axis, and fulfills the following conditions:

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