Optical Instrument Lens

Features

Specifications

• Diameter:
  16.5 millimeters
• Axial Thickness:
  4.5 millimeters
• Equivalent Focal Length:
  2.510 centimeters
• Back Focal Length:
  2.213 centimeters
• Front Focal Length:
  2.510 centimeters
• Refraction Index:
  1.5170
• Abbe Constant:
  64.500
• Single Lens Style:
  Plano-convex
• Element Left Surface Radius:
  13.0 millimeters
• Element Right Surface Radius:
  0.0 millimeters
• Material:
  Glass, optical
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-00-796-9951
• Special Features:
  Glass optical surfaces to be coated with reflection reducing film