Out of stock
Clear Aperture: >18
Coatings: AR (R<0.5%) on each surface
Material: Crystalline quartz and MgF2
Mount: Mounted in Ø25.4 mm black anodized metal mount
Retardation tolerance: ±λ/100 @ 20 °C
Retardation: λ/2
Surface quality, S-D: 40-20
Transmitted wavefront distortion, PV: <λ/4 @ 632.8 nm
Wavelength, nm: 550-750
Wedge / Parallelism error: <30 arcec
Coatings: AR (R<0.5%) on each surface
Material: Crystalline quartz and MgF2
Mount: Mounted in Ø25.4 mm black anodized metal mount
Retardation tolerance: ±λ/100 @ 20 °C
Retardation: λ/2
Surface quality, S-D: 40-20
Transmitted wavefront distortion, PV: <λ/4 @ 632.8 nm
Wavelength, nm: 550-750
Wedge / Parallelism error: <30 arcec
