9782228

Mount: Ø25.4 mm black anodized aluminum mount
Wedge / Parallelism error: <3 arcmin
Wavelength, nm: 2060
Transmitted wavefront distortion, PV: <λ/8 @ 632.8 nm
Surface quality, S-D: 60-40
Retardation: λ/2
Retardation order: 0
Clear Aperture: >10
AR coatings: both sides
Retardation tolerance: λ/100 @ 20 °C