9770607

Surface quality, S-D: 60-40
Wedge / Parallelism error: <3 arcmin
Wavelength, nm: 3600
Clear Aperture: >12
Transmission: >95%
Retardation: λ/2
Retardation tolerance: λ/100 @ 20 °C
Retardation order: 0
Mount: Ø25.4 mm black anodized aluminum mount
Transmitted wavefront distortion, PV: <λ/8 @ 632.8 nm