Product Technical Spec.
Axial Thickness:
0.236 inches and 0.177 inches
Compound Lensaxial Thickness:
0.413 inches
Compound Lens Edge Thickness:
0.383 inches
Equivalent Focal Length:
28.807 inches
Back Focal Length:
28.547 inches
Front Focal Length:
28.799 inches
Refraction Index:
1.5170 and 1.6170
Abbe Constant:
64.500 and 36.600
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and meniscus diverging
Element Left Surface Radius:
-12.110 inches and 13.866 inches
Element Right Surface Radius:
-12.110 inches and -108.440 inches
Material:
Glass, optical, jan-g-174, grade c
Material:
Glass, optical, jan-g-174, grade c
Fsc Application Data:
Fire control, range finder mk 46, mod 0
Cross Referenced Parts
No other part numbers with same form, fit, and function found.