Product Technical Spec.
Axial Thickness:
0.236 inches and 0.039 inches
Compound Lensaxial Thickness:
0.275 inches
Compound Lens Edge Thickness:
0.175 inches
Equivalent Focal Length:
1.446 inches
Back Focal Length:
1.281 inches
Front Focal Length:
1.006 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:
0.793 inches
Element Right Surface Radius:
0.709 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:
Binocular, fire control
Item Name:
Collimator,lens
Cross Referenced Parts
No other part numbers with same form, fit, and function found.