BeamSplitter Penta Prism

Material:

BK7

Diameter Tolerance:

±0.2mm

Surface Quality:

60/40

Clear Aperture:

>80%

Bevel:

<0.25mmX45°

Coating:

* S1&S2&S5: Single layer MgF2 coating * S3: Partial reflective coating * S4: Aluminized and painted black

Angular Tolerance:

see the table as follow

Reflectivity：

R>95%perface@400-700nm

T/R：

20/80±5or50/50±5