9581078

Clear aperture: >90%
Coatings:
Diameter, mm: 25.4 (+0/-0.1 mm)
Material: UVFS
Parallelism error: <30 arcsec
S1: AR(R<0.25%)@910-970nm, AOI=0deg
S2: AR(R<0.25%)@910-970nm, AOI=0deg
Surface quality, S-D: 20-20
Thickness, mm: 5 (+/-0.1 mm)
Transmitted wavefront distortion, PV: <λ/8 @ 633nm