Porro prism POP series

fused silicaBK7

Porro prism is a type of reflection prism which can be used to alter the orientation of an image. Light enters the large face of the prism, then hits on the roof, by total internal reflection twice from the roof, the beam exits again through the large face. An image traveling through a Porro prism is rotated by 180deg but not inverted. Specifications: Material BK7 or UV Fused Silica Dimension Tolerance +0.0/-0.2mm Clear Aperture >80% Deviation Up to 180°±10 arc seconds Roof Angle Tolerance <5 arc seconds Flatness λ/10@632.8nm Wavefront Distortion λ/4@632.8nm Surface Quality 60/40 scratch and dig Chamfer Sharp roof, other protective chamfered AR Coating Available