Material: BK7 Grade A Optical Glass
Dimension Tolerance: +/-0.2mm
Flatness: l/4
@ 632.8 nm
Surface Quality: 60/40 scratch and dig
T/R:
50/50+/-5% for natrual light
T=(Ts+Tp)/2, R=(Rs+Rp)/2
Beam Deviation: <3 arc minutes
Coatings:
Partial reflectance: on hypotenuse face
AR-coatings: on all input and output faces