Optical Instrument Lens

Features

Specifications

• Width:
  10.5 millimeters
• Diameter:
  51.0 millimeters
• Length:
  51.0 millimeters
• End Application:
  M1 tank series
• Axial Thickness:
  5.2 millimeters
• Refraction Index:
  1.5170
• Abbe Constant:
  64.200
• Single Lens Style:
  Plano-convex
• Element Left Surface Radius:
  0.0 millimeters
• Element Right Surface Radius:
  68.6 millimeters
• Material:
  Glass, optical, mil-g-174, grade b, type 517-642
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-01-079-3015