Features
type 717-295 grade a mil-g-174 optical type 523-596 and glass grade a mil-g-174 optical glass material.
Includes quality control certificate of conformance.
Specifications
-
Axial Thickness:
0.384 inches and 0.192 inches
-
Compound Lensaxial Thickness:
0.576 inches
-
Compound Lens Edge Thickness:
0.410 inches
-
Equivalent Focal Length:
15.000 inches
-
Back Focal Length:
14.730 inches
-
Front Focal Length:
14.900 inches
-
Refraction Index:
1.5230 and 1.7170
-
Abbe Constant:
59.600 and 29.500
-
Compound Lens Style:
Doublet
-
Individual Lens Style:
Double convex and plano-concave
-
Element Left Surface Radius:
9.092 inches
-
Element Right Surface Radius:
-6.925 inches and 19.078 inches
-
Material:
Glass, optical, mil-g-174, grade a, type 523-596 and glass, optical, mil-g-174, grade a, type 717-295
-
Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
-
National Stock Number (nsn):
6650-00-491-0277