A prism has a constant cross-section throughout its length. 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 ...
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 ...
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