Specification:

Material: BK7 Grade A Optical Glass
Dimension Tolerance: ± 0.2mm
Flatness: λ/4 @ 632.8 nm
Surface Quality: 60/40 scratch and dig
T/R: 50/50± 5% for natural light
        T=(Ts+Tp)/2, R=(Rs+Rp)/2
Beam Deviation: <3 arc minutes

 
Coatings:
Single wavelength partial reflectance: on hypotenuse face
VAR ( Multilayer) coatings on all input and output faces.

Wavelength Options: 488, 514.5, 532, 632.8, 635, 670, 780, 850, 980, 1064, 1300,1550nm