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Spherical Plano-Convex Lenses
MATERIALS - ZnS (Zinc Sulphide)CVD
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Crystaltechno Ltd. manufactures spherical plano-convex lenses from fused silica, glass and different types of optical crystals, including ZnS (Zinc Sulphide) CVD.
ZnS (Zinc Sylphide) spherical plano-convex lenses are widely used as focusing transfer optics.
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PARAMETER |
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VALUE |
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Surface figure |
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Lambda/2 at 633 nm per inch |
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Scratch-Dig |
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80 - 50 |
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Diameter tolerance |
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± 0.1 mm |
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Paraxial Focal Length Tolerance |
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± 2% |
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Centration |
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less than 5 arc minutes |
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Clear aperture |
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>80 % |
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Bevels |
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(0.2-0.3) mm x 45 arc degrees |
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D, mm |
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FLx, mm |
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R, mm |
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tc, mm |
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te, mm |
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Part Number |
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12,7 |
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12,7 |
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15,24 |
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3,4 |
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2,0 |
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PCX18-01 |
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12,7 |
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19,0 |
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22,86 |
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2,9 |
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2,0 |
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PCX18-02 |
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12,7 |
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25,0 |
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30,0 |
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2,7 |
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2,0 |
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PCX18-03 |
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19,05 |
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19,0 |
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22,86 |
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4,1 |
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2,0 |
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PCX18-04 |
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19,05 |
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25,0 |
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30,0 |
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3,6 |
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2,0 |
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PCX18-05 |
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19,05 |
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50,0 |
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60,0 |
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2,8 |
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2,0 |
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PCX18-06 |
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19,05 |
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75,0 |
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90,0 |
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2,5 |
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2,0 |
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PCX18-07 |
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25,4 |
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25,0 |
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30,0 |
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4,8 |
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2,0 |
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PCX18-08 |
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25,4 |
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50,0 |
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60,0 |
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3,4 |
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2,0 |
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PCX18-09 |
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25,4 |
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75,0 |
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90,0 |
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2,9 |
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2,0 |
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PCX18-10 |
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25,4 |
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100,0 |
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120,0 |
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2,7 |
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2,0 |
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PCX18-11 |
* Numerical parameters correspond to Lambda=10.6 microns (n=2.2).
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