Periscopic sight with a unitary lens system

Details Periscopic sight with a unitary lens system Periscopic sight with a unitary lens system

F - Mech Eng,Light,Heat,Weapons

41

G

88/44

F41G 1/38 (2006.01) G02B 23/08 (2006.01)

Patent

CA 1111685

Abstract of the Disclosure A periscopic sight is mounted to extend through the wall of protective armor surrounding a gun station. An elevation mirror is exposed to receive light from the direction in which the gun is pointing and to reflect the light along a vertical path extending through the sight. A sealed unitary lens system has a lens axis aligned with the vertical path and conducts the light therethrough to a stationary mirror accessible to the eye of an observer. The sealed unitary lens system has a sufficiently long eye relief to provide an unobstructed image to the observer in spite of the placement of the stationary mirror between the lens system and the observer. -1a-

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