Anamorphic wide angle safety lens

Details Anamorphic wide angle safety lens Anamorphic wide angle safety lens

G - Physics

02

B

88/99, 88/0.1

G02B 3/08 (2006.01) B60J 1/10 (2006.01) B60R 1/00 (2006.01) G02B 3/06 (2006.01) G02B 13/08 (2006.01) G02B 17/00 (2006.01)

Patent

CA 1321714

FN 43464 CAN 2A Abstract of the Disclosure In the present invention a wide angle safety lens has two major surfaces, each of which is a structured surface. The first major surface has a plurality of parallel linear prisms forming a Fresnel lens that acts like a cylindrical lens having a first negative focal length. The second major surface has a plurality of parallel linear prisms running perpendicular to the prisms of the first major surface and forming a Fresnel lens that acts like a cylindrical lens having a second negative focal length.

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