Description of Optical Concave Lens
Parameters |
Units |
Data |
Diameter |
mm |
1.5-300 |
Diameter Tolerance |
mm |
+/-0.02 |
Thickness Tolerance |
mm |
0+/-0/02 |
Centering Error |
Arc minute |
undefined3 |
Surface Quality |
|
20-10 |
Surface Figure |
|
λ/10@633nm |
Clear Aperture |
|
More than 90% |
Materials |
|
Optical crystal such as glass, quartz, calcium fluoride, germanium, silicon |
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