9687198

Protective chamfers: <0.25 mm x 45°
Diameter, mm: Ø84.7
Transmitted wavefront distortion, PV: L/4 @ 632.8nm per 1inch
Thickness tolerance, mm: ±0.1
Surface quality, S-D: 40-20
Material: Suprasil 2 grade B (Heraeus)
Coatings: uncoated
Dimensions tolerance, mm: +0/-0.2
Edge thickness, mm: 3
Parallelism error: <1 arcmin