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Penta Prism

Penta Prism is a five-sided prism containing two reflecting surfaces at 45°to each other,and two refracting faces perpendicular to the entering and emerging beams.The deviation angle of 90°is thus independent of the orientation of the prism,making it especially important in applications in which the prism orientation can not be precisely controlled.

We can supply various penta prisms with different demension and wave range as per customers' repuirements.

Specifications:
Material:BK7 grade A optical glass
Demension tolerance:±0.2mm
90°Deviation:<10″
Flatness:λ/4@632.8nm
Reflectivity:R>95% per surface @630-680nm
Surface Quality:60-40