Special Features
Transmittal wave front 1640 nm, surface quali type 5-10 research grade poly laser polish, parallelism <0.5 sec ofarc, retardation tolerance polarization state puri type 99% at design wavelength, antireflection coating: r<0.25% persurface, clear aperture: central 85% of diameter, optical substrate diameter 22.0mm, clear aperature diameter 0.74"
