Red filter
An item having two plane-parallel surfaces and used in the telescopic system of an optical instrument to modify the density or spectral intensity of light by absorption. Several filters having varied characteristics are usually mounted in such a manner that any selected filter may be moved in or out of the optical axis as light conditions warrant. Excludes window, optical instrument.
Classification: Military equipments not identified by kind
NSN 5998-01-354-6878
NSN 5975-00-383-1384
NSN 5910-01-657-6523
NSN 6320-01-139-0533
NSN 6145-00-407-5676
NSN 5895-01-251-7382
NSN 5999-00-053-1705
NSN 5835-01-416-6455
NSN 6685-00-100-4753
NSN 6130-00-985-5345
NSN 6130-01-193-1686
NSN 5895-00-948-3808