Just load a sample and press the Start button. Automatic measurement starts at the preset conditions by P.C. displaying the measured data at once. Automatic light-source detection and computer control achieve high accuracy and repeatability. Measurement at three wavelengths in just one minute. The Energy distribution graph makes it possible to estimate the existence of double refraction. The use of a refractive liquid between the sample and the V-block prism allows measurement with frosted surface if the two faces are machined to 90°. Easy operation by the mouth to select measuring parameter. Up to ten wavelengths can be added, allowing the operator to select the required wavelength freely. (Note.1) Note1:Some wavelength combinations may be un available.