favorable auto refractometer with colurful LCD touch monitor fa6000a
1) up-grade colorful LCD display, 7''
2) Faster and more accurate measurement
3) More elegant and tailor-made design 4) Measurement minimun pupil diameter -2.2mm
5) Selectable functions mode: you can select and change diopter steps, vertex distance,cylinder mode, measuring mode, shop name ,date and time,The data measured can be used for different modes of STEP.VD and CYL