Night-day boresight with adjustable wedge-prism assembly

Details Night-day boresight with adjustable wedge-prism assembly Night-day boresight with adjustable wedge-prism assembly

2006-11-28

2006-11-28

Dunn, Drew A. (Department: 2872)

Optical: systems and elements

Having significant infrared or ultraviolet property

Including alternative optical path or optical element

C359S399000, C359S831000, C042S122000

Reexamination Certificate

active

07142357

ABSTRACT:
An in-line night-day boresight with an adjustable wedge-prism assembly is disclosed. The adjustable wedge-prism assembly includes two opposing wedge prisms that are axially rotatable relative to each other. The assembly is arranged in the optical path between the night optics and the day optics. The adjustable wedge-prism assembly allows for compensation of image shift errors introduced by the night optics due to manufacturing errors in the night optics. This in turn allows for a cost-effective and easily aligned in-line night-day boresight.

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Description/Figure of a Boresighting System—Origin Unknown (“Ref #1”).
Technical Manual, “Elementary Optics and Application to Fire Control Instruments” Dept. of the Army p. 185 Def'n “Correction Wedge”.

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