Technical Specifications of NSN
Axial Thickness:
0.130 inches and 0.064 inches
Compound Lensaxial Thickness:
0.194 inches
Compound Lens Edge Thickness:
0.171 inches
Equivalent Focal Length:
4.004 inches
Back Focal Length:
3.911 inches
Refraction Index:
1.5170 and 1.6490
Abbe Constant:
64.500 and 33.800
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and meniscus diverging
Element Left Surface Radius:
2.446 inches
Element Right Surface Radius:
1.664 inches
Material:
Glass, optical, mil-g-174, class 1, grade b
Material:
Glass, optical, mil-g-174, class 1, grade b
Fsc Application Data:
Panoramic telescope, integrated with fire control equipment
Item Name:
Objective Lens
Other Related Parts
Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC