A light filter which reduces the intensity of the light without changing the relative spectral distribution of the energy.
NSN 6685-01-322-0139
NSN 5895-00-655-4754
NSN 5950-01-185-6055
NSN 6645-01-338-9152
NSN 5925-01-210-4981
NSN 6650-01-424-2489
NSN 4140-01-565-8487
NSN 6645-00-300-0401
NSN 6685-01-579-3407
NSN 6110-01-147-5613
NSN 6620-01-250-1692
NSN 5915-01-280-4355