Patent ID: 9389045
Filing Date: 2016-07-12
CPC Classification: F41G

Claim Text:
1. A sight for a firearm comprising: a) a lens having a back focal length, an optical axis and an outer surface with optical power; b) a fluorescent optical fiber attached to a distal surface of said lens, a proximal end of said fiber being projected by said lens to form an image to be seen by a shooter and located at an opposite side of said outer surface of said lens; c) a housing for holding said fluorescent fiber to coincide with the optical axis of said lens, which is parallel to a central axis of a barrel of a firearm, wherein said fluorescent fiber is located axially apart of back focal plane of said lens and said fluorescent fiber is projected toward a user's eye, such that said fluorescent fiber appears centered with respect to said lens only when said user's eye is aligned with the optical axis of said lens; and wherein said lens comprises a mounting projection attachable to the firearm and an opaque layer for covering a portion of exterior surfaces of said lens.