Technical Specifications of NSN
Diameter:
51.0 millimeters
End Application:
Rangefinder mk51
Axial Thickness:
9.4 millimeters and 5.3 millimeters
Compound Lensaxial Thickness:
19.1 millimeters
Equivalent Focal Length:
44.580 centimeters
Back Focal Length:
48.720 centimeters
Front Focal Length:
48.070 centimeters
Refraction Index:
1.9170 and 1.9170
Abbe Constant:
64.500 and 36.600
Compound Lens Style:
Dialyte
Individual Lens Style:
Double convex and meniscus diverging
Element Left Surface Radius:
241.4 millimeters and -155.5 millimeters
Element Right Surface Radius:
159.9 millimeters and 906.3 millimeters
Item Name:
Lens Assembly,collimator
Other Related Parts
Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC