Prisms India Private Limited manufactures Flat Surface Electronic Autocollimator. Prisms India Private Limited offers a wide range of plano optics, precision optical components and optical elements including interferometer, optical autocollimator, alignment telescope, optical mirror, optical prism, mercury lamps and monochromatic light sources. The Flat Surface Electronic Autocollimator is an interference autocollimator that provides accuracy in measurement of flatness of lapped and polished mechanical components. The Flat Surface Electronic Autocollimator is available with diameters less than 50 mm and use interferometers as an imperative aspect.