FIELD: monitoring of nonparallelism of infra-red imaging and visual channels of combination sights.
SUBSTANCE: the device has optically communicating mirror collimator including a radiation source and a mirror objective lens, optical conjugation unit of the mirror collimator with infra-red imaging and visual channels of the combination sight and an optical compensator of the errors of direction of light beams made in the form of two rotating wedges. The optical conjugation unit has two parallel channels, positioned in succession in the axis of the first channel optically communicating with the visual channel of the combination sight are a spectrodividing plate with a coating reflecting a portion of the thermal radiation and passing through a portion of visible radiation installed at an angle of 45 deg. To the axis of the mirror collimator, and an optical compensator of the errors of direction of light beams. Located in series in the axis of the second channel optically communicating with the infra-red imaging channel of the combination sight are a plane mirror parallel with the spectrodividing plate and rigidly coupled to it, and a protective glass passing through the thermal radiation. An addition, the mirror collimator has a reticle installed in the focal plane of the mirror objective lens, and a plane mirror directing the bundle of rays to the spectrodividing plate. The radiation source of the mirror collimator is made in the form of a heating element with a device controlling its temperature, and a source of visible radiation with a device controlling its brightness applicably conjugated with the heating element. The device is provided with a means for turning about the horizontal axis perpendicular to the sighting axis of the visual channel of the combination sight for fixing at least in two positions.
EFFECT: enhanced relative aperture and accuracy of monitoring of nonparallelism of the infra-red imaging and visual channels of combination sights, as well as expanded functional potentialities.
3 cl, 2 dwg
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Authors
Dates
2008-01-10—Published
2005-06-03—Filed