7 Inch Touch Screen UV PD Printing Focimeter Lensometer Home then the progressive multi-focal lens

then the progressive multi-focal lens can be measured more accurately

17）Paper speed: 25/50mm/s

and the calibration distance is 5

0 or above /Android 4

7 Inch Touch Screen UV PD Printing Focimeter Lensometer Home then the progressive multi-focal lensPrinting Focimeter Description Features 1. Using Hartmann multi point area measurement method to measure the progressive lens rapidly and accurately. LM 300 adopts every measurement result to participate in the amount of calculation which is higher than 80 spot data, then the progressive multi focal lens can be measured more accurately. 2. No need for ABBE constant, Operation more convenient and measurement more accurate. LM 300 adopts a green LED