Optical Instrument Lens

Features

Specifications

• Diameter:
  37.0 millimeters
• End Application:
  Rangefinder mk33
• Axial Thickness:
  4.5 millimeters and 6.0 millimeters
• Compound Lensaxial Thickness:
  10.5 millimeters
• Refraction Index:
  1.6166 and 1.5166
• Abbe Constant:
  36.700 and 64.800
• Compound Lens Style:
  Doublet
• Individual Lens Style:
  Double concave and double convex
• Element Left Surface Radius:
  -2314.3 millimeters and 250.2 millimeters
• Element Right Surface Radius:
  -250.2 millimeters and 285.7 millimeters
• Material:
  Glass, optical, jan-g-174
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-00-130-8458