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Penta Prism
Penta Prism
Penta Prism
Penta Prism

Production Capabilities:

Material: BK7

Dimension Tolerance: ± 0.2mm

90°Deviation Tolerance: ≤10 arc sec

Surface Flatness: ≤λ/4 over the clear aperture

Surface Quality: 40-20scratch and dig

Clear Aperture Central diameter: >85% of dimension

Coating:

R<0.5% per transmitted face from 400 to 700 nm

R>85% per reflective face from 400 to 700 nm

Bare aluminum with black lacquer overcoat

Chamfer: 0.25-0.5 mm face width x 45° ± 15°

Material: BK7,grade A fine annealed 

Dimension Tolerance: ± 0.2mm 

90°Deviation Tolerance: ≤3 arc min 

Surface Flatness: ≤λ/2 over the clear aperture 

Surface Quality: 60-40scratch and dig 

Clear Aperture Central diameter: > 85% of dimension 

Coating: 

R<0.5% per transmitted face from 400 to 700 nm 

R>90% per reflective face from 400 to 700 nm 

Bare aluminum with black lacquer overcoat 

Chamfer: 0.3 mm x 45°



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