Patent ID: 7514664
Filing Date: 2009-04-07
Classification: G02B

Abstract:
1. A night vision system, comprising: an image intensifier tube having a longitudinal length defining a Z-axis of a rectangular coordinate system; and a first, a second, a third and a fourth locating feature, said first and said second locating features configured to be coupled to a distal and a proximal end of the image intensifier tube, respectively; wherein said first locating feature is further configured to interact with said third locating feature, said first locating feature also configured to provide movement of said image intensifier tube in X and Y axes to align an input optical axis of the image intensifier tube with a mechanical axis of said first locating feature; and wherein said second locating feature is further configured to interact with said fourth locating feature, said second locating feature also configured to provide movement of said image intensifier tube relative to said second locating feature in X, Y, and Z-axes to align a mechanical axis of said second locating feature with said output optical axis of said image intensifier tube and to locate a focal plane of the image intensifier tube at a predetermined distance from a proximal end of said second locating feature.