Optical Instrument Lens

Features

Specifications

• Diameter:
  16.0 millimeters
• Axial Thickness:
  1.0 millimeters and 2.0 millimeters
• Compound Lensaxial Thickness:
  3.0 millimeters
• Compound Lens Edge Thickness:
  3.0 millimeters
• Equivalent Focal Length:
  19.720 centimeters
• Back Focal Length:
  19.720 centimeters
• Front Focal Length:
  19.540 centimeters
• Refraction Index:
  1.6152 and 1.6167
• Abbe Constant:
  55.2000 and 36.7000
• Compound Lens Style:
  Doublet
• Individual Lens Style:
  Double convex and plano-concave
• Element Left Surface Radius:
  0.0 millimeters and 10.0 millimeters
• Element Right Surface Radius:
  -10.0 millimeters and 12.2 millimeters
• Material:
  Glass, optical
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-00-382-0654