Features
Germanium material.
Includes quality control certificate of conformance.
Specifications
-
Diameter:
5.500 inches
-
Axial Thickness:
0.350 inches
-
Equivalent Focal Length:
6.913 inches
-
Back Focal Length:
6.694 inches
-
Single Lens Style:
Meniscus converging
-
Material:
Germanium
-
Fsc Application Data:
Detecting set, infrared
-
Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
-
National Stock Number (nsn):
6650-01-052-7119