Optical Instrument Lens

Features

Specifications

• Diameter:
  1.186 inches
• Axial Thickness:
  0.088 inches and 0.460 inches
• Compound Lensaxial Thickness:
  0.548 inches
• Compound Lens Edge Thickness:
  0.375 inches
• Equivalent Focal Length:
  2.731 inches
• Back Focal Length:
  2.842 inches
• Refraction Index:
  1.6725 and 1.5170
• Abbe Constant:
  32.200 and 64.500
• Compound Lens Style:
  Doublet
• Individual Lens Style:
  Plano-convex and double convex
• Element Right Surface Radius:
  1.153 inches
• Material:
  Glass, optical, mil-g-174, class 1, grade c
• Material Specification:
  Mil-g-174, class 1, grade c military specification single material response
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-00-763-3282