9547334

S1(concave): N=2, S/D 10/5, L/10 in CA 10mm
S1: ROC= -250mm +/-1%
S2(plano): commercial polishing L/4,
Protective chamfers: (0.1-0.2mm)@45deg
Chips: <0.1 mm
Surface quality:
Material: UVFS Corning 7980 0F