SML-VS Parameter: Optical lens   -25.00D~+25.00D contact lens   -25.00D~+25.00D(BC=6.0~9.0)                       (0.01D,0.12D,0.25D steps) Astigmatism  0.00D~±10.00D(-,MIX,+)                       (0.01D,0.12D,0.25D steps) Axis               0°~180° (1°steps) Addition       0.00D~+10.00D(Add and Ad2)                     (0.01D,0.12D,0.25D steps) Prism           0.00△~20.00△(horizontal,vertical)                     (0.01D,0.12D,0.25D steps) Measuring speed  0.09 second, ±10%(quickest) Optical lens diameter  φ20~φ100 contact lens diameter   replace small-bore lens seat(φ5mm) Abbe compensation range  20~60 Marking way       ink box Display           5.7 inch colorized LCD Print             thermal printer Data connector    RS-232 Power supply      AC 100(±10%)V~240(±10%)V 50/60Hz 40VA Dimensions(packing)  560mm(D)x 435mm(w)x 370mm(H) Weight(packing)          5kgs