Light neutral 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 5855-00-237-4088
NSN 5990-01-620-6736
NSN 5945-01-049-2950
NSN 5855-01-653-3088
NSN 5910-01-537-3588
NSN 6320-01-549-7201
NSN 5930-01-242-9431
NSN 6650-00-736-8456
NSN 6320-01-530-4870
NSN 5925-01-442-7357
NSN 5905-00-379-4658
NSN 6610-00-278-7647