Detail Specifications
Axial Thickness:
0.078 inches and 0.314 inches
Compound Lensaxial Thickness:
0.393 inches
Compound Lens Edge Thickness:
0.241 inches
Equivalent Focal Length:
1.590 inches
Back Focal Length:
1.390 inches
Front Focal Length:
1.555 inches
Refraction Index:
1.6490 and 1.5720
Abbe Constant:
33.800 and 57.400
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and meniscus diverging
Element Left Surface Radius:
3.711 inches and 0.850 inches
Element Right Surface Radius:
-1.027 inches and 0.850 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 63
Item Name:
Collimator,lens
Manufacturer Part Numbers
No other part numbers with same form, fit, and function found.