Specifications:
Material |
BK7 glass, UV grade fused silica, CaF2 |
Diameter Tolerance |
+0.0,-0.1mm |
Center Thickness |
+/-0.2mm |
|
Centration |
<3 arc min |
Paraxial Focal Length |
+/-1% (EFL<1m)
+/-2%(EFL>1m) |
Surface Quality |
60-40 scrath and dig |
Clear Aperture |
|
Coating |
Uncoated, AR, HR, PR Coating, etc. | |
|