9590899

Center thickness, mm: 6
Clear aperture: > 90%
Coatings:
Diameter, mm: 25,4
S1 Flatness, PV IR S2 Flatness, PV: λ/3 @ 632.8 nm
S1 Flatness, PV IR S2 Flatness, PV: L/8 @ 632.8 nm
Material: BK7
Protective chamfers: 0.25 x 45°
ROC S1, mm: -1000
ROC2, mm: ∞
S1: PR (99,9S2: AR (R<0,5%) @ 400 – 550 nm, AOI=0 deg (flat side)
Surface quality: 20-10 S-D
Wedge / Parallelism error: <1 arcmin