Technical Specifications of NSN
Axial Thickness:
0.153 inches and 0.075 inches and 0.195 inches
Compound Lensaxial Thickness:
0.423 inches
Compound Lens Edge Thickness:
0.277 inches
Equivalent Focal Length:
1.393 inches
Back Focal Length:
1.336 inches
Front Focal Length:
1.242 inches
Refraction Index:
1.7883 and 1.8466
Abbe Constant:
47.390 and 23.830 and 23.830
Compound Lens Style:
Triplet
Individual Lens Style:
Double convex and plano-convex and double convex
Individual Lens Style:
Double convex and plano-convex
Element Left Surface Radius:
3.8233 inches and -1.8704 inches and 2.2593 inches
Element Right Surface Radius:
-1.8704 inches and 2.2592 inches and -1.6234 inches
Material:
Glass, optical, mil-g-174, type laf-21, 788-474 and glass, optical, mil-g-174, type sf-57, 847-238
Material:
Glass, optical, mil-g-174, type laf-21, 788-474 and glass, optical, mil-g-174, type sf-57, 847-238
Fsc Application Data:
Night vision equipment, emitted and reflected radiation
Item Name:
Lens,telescope
Other Related Parts
Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC