Porro Prism








Material BK7, FS, FLINT, SS1
Surface Figure To λ/10 @ 633nm
Surface Quality To 10-5 Research Grade Laser Polish
DiameterTolerance + 0.00 /- 0.25mm
Angular Deviation ≤ 10 arc sec
Length Tolerance ± 0.25mm
Chamfer 0.35mm @ 45° Typical
Clear Aperture Central  85% of Dimension
Knife Edge Edge Chips ≤ 5μm


When requesting quotation, please include the following description and any special specifications:

POR 12.7 BK7

AR @ 450-694nm

Prism Type Diameter (mm) Material Coating Type
(Note: For uncoated prisms leave out the “Wavelength and Coating Type”)