9418521

Clear aperture: >90
Comments: Paralelism error: 61.63 arcsec
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 50.8
S1 Flatness, PV: λ/8
S2 Flatness, PV: not specified
Material: UVFS
Material: JGS1
Protective chamfers: 0.1-0.25 mm x 45°
Shape: Round
S1 Surface quality, S-D: 20-10
S2 Surface quality, S-D: commercially polished
Thickness tolerance, mm: ±0.1
Thickness, mm: 6
Wedge / Parallelism error: <1 arcmin