9579737

Centering: <3 arcmin;
Protective chamfers: 0.1-0.2mm @ 45deg;
Coating aperture: > 17mm;
Coatings on S1: HR@1010-1050nm, AOI=0-10deg, HRp >99.9%, HRs>99.9%, GVD<20fsec2 (IBS);
Diameter, mm: 20.0(+0/-0.05) mm
Edge thickness, mm: 5(+/-0.1) mm;
Material: UVFS C7980 0F;
S1(concave): ROC=-750mm+/-1%, S2: L/4, 20-5 S-D;