1. Enlarge measurement range 2. Auto PD measurement 3. Easy Use 4. 5.7" CRT Monitor display
Faster and more accurate measurement: Measurement time is reduced half compare with a conventional product
Functions mode selection: You can select and change diopter stpes, vertex distance, cylinder mode, measuring mode, shop name, date and time. The data once measured can be used for different modes of steps, VD and CYL.