Cross-polarization using two polarized lenses

Details Cross-polarization using two polarized lenses Cross-polarization using two polarized lenses

1995-06-05

1996-10-01

Epps, Georgia Y.

Optical: systems and elements

Lens

With support

359822, 33243, G02B 702, F41G 100

Patent

active

055615635

ABSTRACT:
A lens apparatus is disclosed for use with a firearm scope. The lens apparatus includes first and second polarized lenses that move relative to each other. When differently colored lens materials are used and when moved relative to each other, the color seen through the two polarized lenses changes. In affixing the first and second polarized lenses to the firearm scope, first and second connection assemblies are utilized. The two connection assemblies have first and second latch release members, respectively. The two latch release members are located on the right and left sides of a scope when a user is in the normal shooting position. Upon actuation of the latch release member, pivotal movement of the polarized lenses, relative to the firearm scope lenses occurs. Each of the two connection assemblies includes a sleeve member and a cap lid. The sleeve member is flexible to surround portions of the firearm scope and is made of a material different from the cap lid material. Each of the two connection assemblies also have a spring positioned in a lid hinge member. Each of the springs biases a polarized lens away from a firearm scope lens.

REFERENCES:
patent: 2488188 (1949-11-01), Halvorson
patent: 2849795 (1958-09-01), Vissing
patent: 3831285 (1974-08-01), Vissing
patent: 3983634 (1976-10-01), Erickson
patent: 4392723 (1983-07-01), Gehmann
patent: 4697890 (1987-10-01), Crookston
patent: 5150528 (1992-09-01), Shire

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