1) Durable using 2) skillful manufacture 3) quality and quantity assured 4) Handful operation manufacturer

Spherical -20~+20D(VD=12)0.125DstepsCylinder -8~+8D 0.12D/0.25D stepsMeasuring RangeAxis 0~180°,1°stepsPupil Distance 45~85mm,1mm stepsVertex Distance 0mm,12mm,13.75mm Min.Pupil Size Ø2.2mmChart Auto fog Display 5″CRT MonitorPrint Thermal Printer Power Supply 100~240V,50/60HZDimensions 484(L)X282(w)X440(H)mm3 Weight 20kg(44 lb)

Auto refractometer FA-6100