Optical instrument lens set (NSN 6650-00-382-0663)
End Application
Rangefinder mk42
General Description
Optical glass jan-g-174; lens set with four lenses; lense 1 and 4 double convex, 13.0 mm dia, axial thickness 3.9 mm, refraction index 1.5170 , abbe constant 64.500; lense 2 double concave, 13.0 mm dia, axial thickness 1.5 mm, refraction index 1.6170 , abbe constant 55.000; lense 3 meniscus, 13.0 mm dia, axial thickness 5.0 mm, refraction index 1.6170 , abbe constant 36.600; axial thickness 14.3 mm, element left surface radius 24.8, 18.4 and 13.6 mm, element right surface radius 13.6, 18.4 and 24.8 mm; lense 1 beveled 0.7 mm 45 deg, lense 4 beveled 0.5 mm 45 deg
