F - Mech Eng,Light,Heat,Weapons – 41 – G
Patent
F - Mech Eng,Light,Heat,Weapons
41
G
88/114, 88/113.1
F41G 3/32 (2006.01)
Patent
CA 1311636
ABSTRACT A collimating mark device is provided with an infrared collimating mark intended to be ob- served through a sight. The infrared collimating mark is designed such that it comprises at least two essentially V - shaped intensity distributions. The points of the V-shapes face each other. Despite a relatively blurred image after convers- ion into a visible collimating mark that blurred visible collimating mark can be brought in a re- producible and reliable manner into coincidence with a fixed alignment mark.
565744
B.v. Optische Industrie "de Oude Delft"
Fetherstonhaugh & Co.
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