Specification
Material: BK7 Grade A optical glass
Dimension Tolerance: ±0.2mm
90°- 180eviation Tolerance
Standard series:<30 are seconds
Precision series:<15 arc seconds
Flatness:
Standard series:λ/2 at 632.8nm
Precision series:λ/4 at 632.8nm
Surface Quality: 60-40 scratch and dig
Beamsplitter Ratio: Transmission/Reflection
@630-680nm, T/R: 20/80%