Measuring Range Spherical -20?+20D(VD=12)0.12Dsteps Cylinder -8?+8D 0.12Dsteps Axis 0?180°, 1°steps Pupil Distance 45?85mm,1mm steps Vertex Distance 0mm,12mm,13.75mm Min.Pupil Size ?2.0mm Chart Auto fog Display 5"CRT Monitor Print Thermal Printer Power Supply 100?120v/200?240v,50/60Hz Dimensions 484(L)X282(W)X440(H) mm·mm·mm Weight ?20kg(44LB)
- Type of instrument:automatic refractometer