9014741

Clear aperture: >90
Dimensions tolerance, mm: (+0/-0.1)
Dimensions, mm: 127
Material: BK7
Protective chamfers: <0.5 mm x 45°
S1 Surface quality, S-D: 20-10
S2 Surface quality, S-D: 20-10
Thickness tolerance, mm: ±0.2
Thickness, mm: 18
Wedge / Parallelism error: <30 arcsec