Optical Instrument Lens

Features

Specifications

• Diameter:
  22.0 millimeters
• Axial Thickness:
  2.0 millimeters and 4.0 millimeters
• Compound Lensaxial Thickness:
  6.0 millimeters
• Compound Lens Edge Thickness:
  6.0 millimeters
• Equivalent Focal Length:
  46.194 centimeters
• Back Focal Length:
  45.980 centimeters
• Front Focal Length:
  46.010 centimeters
• Refraction Index:
  1.6158 and 1.5183
• Abbe Constant:
  36.800 and 58.700
• Compound Lens Style:
  Doublet
• Individual Lens Style:
  Meniscus and double convex
• Element Left Surface Radius:
  359.9 millimeters and 116.4 millimeters
• Element Right Surface Radius:
  116.4 millimeters and 400.1 millimeters
• Material:
  Glass
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-00-382-0793