Technical Specifications of NSN
Diameter:
27.0 millimeters
End Application:
Rangefinder mk42
Axial Thickness:
8.5 millimeters and 2.0 millimeters
Compound Lensaxial Thickness:
10.5 millimeters
Equivalent Focal Length:
4.715 centimeters
Back Focal Length:
4.033 centimeters
Refraction Index:
1.6490 and 1.5725
Abbe Constant:
33.800 and 57.400
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and meniscus diverging
Element Left Surface Radius:
25.6 millimeters and -23.9 millimeters
Element Right Surface Radius:
23.9 millimeters and 345.5 millimeters
Material:
Glass, optical, jan-g-174
Material:
Glass, optical, jan-g-174
Item Name:
Objective Lens
Other Related Parts
Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC