1-BCV-1-C127 BK7 Biconcave lens, f=-20mm, Ø12.7mm

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1-BCV-1-C127 BK7 Biconcave lens, f=-20mm, Ø12.7mm
US$36.40
The biconcave lenses are used in optical systems in combination with other lenses. These lenses also work as beam expanders, optical character readers,
viewers and projection systems. Under customer request anti-reflection or other types of coatings can applied.
Diameter, mm 12.7
Edge Thickness, mm 4.5
Focal Length, mm -20
Material BK7
ROC1, mm -21.11
ROC2, mm 21.11
Delivery 2-4 weeks
Description

Details

The biconcave lenses are used in optical systems in combination with other lenses. These lenses also work as beam expanders, optical character readers, viewers and projection systems. Under customer request anti-reflection or other types of coatings can applied.
Features
  • Lower spherical aberrations than for Plano-Concave lenses
  • Diverges incident light
  • Ideal for Experimenting and Prototyping Applications
Applications

Properties (Diameter D, Focal length L)

D, mmD, InchesL Minimal, mmL Maximal, mm
12,7 0.5 -12 -10.000
25,4 1 -25 -10.000
38,1 1.5 -40 -10.000
50,8 2 -50 -10.000
76,23-75-10.000
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