Profile: Prisms India Private Limited offers precision optical components. We develop optical & metrology equipments. Our product includes optical flats, optical parallels, coating capabilities, laboratory equipments and autocollimator. Autocollimator is a precise instrument for small angular tilt measurements. Micro-optic visual autocollimators resolution ranging from 3 arc secs to 0.5 arc secs for straightness, squareness, flatness, and rotary table calibration in machine tool industries. Autocollimator with camera attachment is available with software for straightness & flatness or machine geometry measurements. The angle between the reflecting faces of the prism is precisely 90 degrees, so that the two reflected beams are collinear. The light beam are reflected at the anvil surfaces and re-enter the instrument after a second reflection from the 90 degrees prism.

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