Dove prisms can be thought of as right-angle prisms with the triangular apex removed, which reduce the weight of the prism and stray internal reflections. They introduce astigmatism when used with ...

Science gadgets - This is a optical prism made of high quality K9 grade crystal glass. All surfaces of this little prism can be refracted, and it presents different at different angles in the same ...

and unlike the cheap triangular prisms you can find online for about ten bucks, Fractals Filters filters have lead oxide in the glass for better optical resolution which Nikk claims will give the ...

When the cross-section is a triangle, the prism is called a triangular prism. When the cross-section is a hexagon, the prism is called a hexagonal prism. The surface area is made up of the end ...