Digital Lensmeter LM890 - INS-11114

This device is a precise instrument which uses Hartmann array principle, combines precise image analysis and processing technology, and can measure all kinds of lenses. It's used to measure the spherical lens, cylindrical power, axis of astigmatism, the frame lenses PD and PH values, and provide the reference data for glasses making. The measurement data can be displayed on the screen, or press the print key to print the data directly.