Material
Fused silica,k9
Diameter tolerance
+/-0.1mm
Thickness tolerance
Paraxial Focal Length
+/-2%
Centration
3 arc minutes
Clear Aperture
>90%
Surface irregularity
λ/4 (at) 632.6nm
Surface Quality
60/40 scratch and dig
Protective Bevel
0.25x45°
cut this lens accordign to the drawings
