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| Plano-Concave Glass Lenses |
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Their popular applications are to increase focal lengths in
existing systems. They are a more suitable choice than the equivalent
equi-concave lens if the magnification lies in the range m<-5
or m>0.2 |
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| Specifications |
| Dimensions Tolerance |
+0.0/-0.15mm |
| Paraxial Focal Length |
±2% |
| Centration |
3 arc minutes |
| Clear Aperture |
90% |
| Surface Quality |
60/40 |
| Bevel |
0.25mm at 45 deg |
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