Detail Specifications
Diameter:
Between 2.518 inches and 2.520 inches
Axial Thickness:
0.689 inches and 0.157 inches
Compound Lensaxial Thickness:
0.846 inches
Compound Lens Edge Thickness:
0.590 inches
Equivalent Focal Length:
5.404 inches
Back Focal Length:
5.225 inches
Front Focal Length:
5.018 inches
Refraction Index:
1.5170 and 1.6490
Abbe Constant:
64.500 and 33.800
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and meniscus diverging
Element Left Surface Radius:
-2.283 inches and 3.710 inches
Element Right Surface Radius:
-2.283 inches and -6.036 inches
Material:
Glass, optical, mil-g-174, class 1, grade c
Material Specification:
Mil-g-174, class 1, grade c military specification single material response
Fsc Application Data:
1. Fire control computing sights and devices
Item Name:
Collimator,lens
Manufacturer Part Numbers
No other part numbers with same form, fit, and function found.