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By adding a wedge and with partial reflective coating, Penta Prism can be used as Beamsplitter.
It is often used in Plumb Level, Surveying, Alignment, Rangefinding and Optical Tooling.
Transmission/reflection (T/R) ratio of 20/80, 50/50 or others for Beamsplitter Penta Prism is available upon request.
Specifications
Material: BK7 Grade A optical glass
Dimension Tolerance: +/- 0.25 mm
90°, 180°Deviation Tolerance:
Standard series: < 30 arc seconds
Precision series: up to 15 arc seconds
Flatness:
Standard series: λ/2 at 632.8 nm
Precision series: up to λ/4 at 632.8 nm
Surface Quality: 60-40 scratch and dig
Beamsplitter Ratio T/R: @ 630-680nm, T/R: 20/80 ±5