Product Technical Spec.
Axial Thickness:
0.158 inches and 0.098 inches
Compound Lensaxial Thickness:
0.256 inches
Compound Lens Edge Thickness:
0.219 inches
Equivalent Focal Length:
5.218 inches
Back Focal Length:
5.227 inches
Front Focal Length:
5.049 inches
Refraction Index:
1.5740 and 1.6210
Abbe Constant:
57.700 and 36.200
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and plano-concave
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:
Fire control, boresight mk 30 mod 0
Item Name:
Objective Lens
Cross Referenced Parts
No other part numbers with same form, fit, and function found.