Davidson optronics d-691 laser aotocollimator

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Subject: Davidson optronics d-691 laser aotocollimator
We copied the following specifications from Davidson Optronics web site.
Sensitivity Nulls to 5 arc seconds
Eyepiece Magnification 12X (24X available)
Eyepiece Reticle 3 arc second wide crosshair
Projected Reticle Dark field with 50 arc second diameter bright dot
Light Source GE #328 lamp 115V
Barrel Material Hardened and polished Stainless Steel
Overall Dimensions Barrel Diameter 1.500" (+.000/-.002) concentric to optical axis Height 2.12"
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