Description :

These lenses have negative focal lengths, diverge collimated incident light, and form only virtual images which are seen through the lenses. They are often used to expand light beams or increase focal lengths in existing systems.

Specification :

• Paraxial focal length: ±2.
• Centration: 3 arc minutes.
• Surface figure:?/4 @ 632.8 nm.
• Surface quality: 60/40.
• Clear aperture: >80%.
• Bevel: <0.25mm x 45°.
• Coating: uncoated.

• 
  Achromatic Lenses
• 
  Cylinder Lenses
• 
  Fresnel Lenses
• 
  Specialty Lenses
• 
  Optical Lenses
• 
  IR Lenses And UV Lenses
• 
  Condenser Lenses
• 
  Plano-convex (PCX) Spherical Lenses (Optical Lenses)

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