Patent ID: 6154313
Filing Date: 2000-11-28
Classification: F41G,G02B

Abstract:
A multiple channel scope, comprising:a lens system for gathering an image of a scene;a night channel, comprising:an image intensifier tube including a projecting end operable to project an intensified image of the scene to an image plane;a first protective window disposed between the projecting end of the image intensifier tube and the image plane;the first protective window sealed to the projecting end to obstruct dirt from contacting the projecting end;a day channel operable to transmit an image of the scene to the image plane;a channel selector operable to selectively direct the image of the scene into the day or night channel; anda reticle assembly disposed at the image plane, comprising:a reticle;a second protective window disposed between the reticle and the scene;the second protective window sealed to the reticle to obstruct dirt from contacting the reticle; andan eyepiece operable to view the reticle.