Features
grade d class 1 mil-g-174 optical glass material.
Includes quality control certificate of conformance.
Specifications
-
Diameter:
1.370 inches
-
Axial Thickness:
0.490 inches and 0.061 inches
-
Compound Lensaxial Thickness:
0.551 inches
-
Compound Lens Edge Thickness:
0.374 inches
-
Equivalent Focal Length:
2.486 inches
-
Back Focal Length:
2.094 inches
-
Refraction Index:
1.6109 and 1.6490
-
Abbe Constant:
57.200 and 33.800
-
Compound Lens Style:
Doublet
-
Individual Lens Style:
Double convex and plano-concave
-
Element Left Surface Radius:
1.313 inches
-
Element Right Surface Radius:
1.180 inches
-
Material:
Glass, optical, mil-g-174, class 1, grade d
-
Fsc Application Data:
Periscope, m10g, integrated with fire control equipment
-
Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
-
National Stock Number (nsn):
6650-00-757-5135