Request InfoMahr Inc.PROVIDENCE, R.I., Oct. 19, 2017 — The MarOpto MT 100 Fizeau Interferometer Measuring Tower from Mahr Inc. is a high-precision, low-cost interferometer for measuring spherical and plano optics on the shop floor. MarOpto MT 100 is ideally suited to precision optics production up to 4 in. in diameter. Spheres and flats can be measured with λ/20 accuracy and the Z axis covers 800 mm at a resolution of 0.5 µm for precision determination of the radius in the optic under test. Besides tests of form deviation, towers with scales can measure radii with high accuracy. 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