Technical Specifications of NSN
Axial Thickness:
0.276 inches and 0.118 inches
Compound Lensaxial Thickness:
0.394 inches
Compound Lens Edge Thickness:
0.324 inches
Equivalent Focal Length:
7.147 inches
Back Focal Length:
6.931 inches
Front Focal Length:
7.113 inches
Refraction Index:
1.5720 and 1.6190
Abbe Constant:
57.400 and 36.600
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and meniscus diverging
Element Left Surface Radius:
-2.323 inches and 4.507 inches
Element Right Surface Radius:
-2.323 inches and -18.915 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:
Fire control, telescope, mk 74
Item Name:
Objective Lens
Other Related Parts
Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC