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Spherical Plano-Convex Lenses
CaF2 BaF2 MgF2 LiF Al2O3 FS
BK-7 KBr Si Ge ZnS ZnSe
 
  Material   Potassium  Bromide 
  Surface figure   2 Lambda at 633 nm per inch
  Scratch-Dig   50 - 50
  Diameter   tolerance   ± 0.2 mm
  Paraxial
  Focal Length
  Tolerance		   ± 2%
  Centration   less than 10 arc minutes
  Clear aperture   > 80%
  Bevels   (0.2+0.3)mm x 45°
   
D, mm FLx, mm R, mm tc, mm te, mm Part Number
12.7 25.0 13.25 3.6 2.0 PCX12-01
12.7 50.0 26.50 2.8 2.0 PCX12-02
25.4 50.0 26.50 5.2 2.0 PCX12-03
25.4 100 53.00 3.5 2.0 PCX12-04
25.4 200.0 106.00 2.8 2.0 PCX12-05
25.4 500.0 265.00 2.3 2.0 PCX12-06
50.8 200.0 106.00 6.1 3.0 PCX12-07
50.8 300.0 159.00 5.0 3.0 PCX12-08
50.8 500.0 265.00 4.2 3.0 PCX12-09
50.8 1000.0 530.00 3.6 3.0 PCX12-10

* Numerical parameters correspond to Lambda=8.5µm (n=1.53)
 

 
     
 

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