Optical: systems and elements – Lens – Reverse telephoto
Patent
1996-05-31
1998-04-14
Sugarman, Scott J.
Optical: systems and elements
Lens
Reverse telephoto
359717, 359793, 359794, G02B 1304, G02B 1318, G02B 904
Patent
active
057399654
ABSTRACT:
A wide angle lens comprises in order from the object end an aperture stop, a first meniscus lens .sub.L1 having a convex object end surface and a second positive power lens element L.sub.2, the lens satisfying the following conditions:
REFERENCES:
patent: 5508848 (1996-04-01), Inoue
patent: 5552936 (1996-09-01), Ohno
patent: 5604639 (1997-02-01), Bietry et al.
Fuji Photo Optical Co., Ltd.
Sugarman Scott J.
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