Technical Specifications of NSN
Axial Thickness:
0.157 inches and 0.315 inches
Compound Lensaxial Thickness:
0.472 inches
Compound Lens Edge Thickness:
0.419 inches
Equivalent Focal Length:
13.731 inches
Back Focal Length:
13.474 inches
Front Focal Length:
13.691 inches
Refraction Index:
1.6208 and 1.5744
Abbe Constant:
36.200 and 57.700
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and meniscus diverging
Material:
Glass, optical, jan-g-174, grade c
Material:
Glass, optical, jan-g-174, grade c
Fsc Application Data:
Fire control, perescope mk 23
Other Related Parts
Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC