15 Apr 2019 Right angle prisms are extremly versatile optical components, commonly used as individual prisms and components of optical assemblies.A beam of light entering the leg of a right angle prism will deviate by a nominal value of 90°,while precise rotation of the prism controls beam alignment.When light enters the hypotenuse of the prism,it's commonly called a porro prism.In this configuration,a light beam will undergo 180º deviation that is invariant in the azimuthal axis,while precise adjustment of the prism controls beam elevation.
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