... cutter 4.auto camera shooting About 2012 Newest auto refractometer RS9502-III,high accuracy,auto cutter function and auto camera shooting 1 ... cutter4.auto camera shooting Measuring Range Spherical -20~+20D(VD=12,0.12D/25Dsteps)Measuring Range Cylinder -10~+10D(0.12D ... )Axis 1~180(1°steps)Pupil Distance 30~85mm(1mm steps)Vertex Distance 0mm, 12mm, 13.75mm,15mmAuto Tracing Function Range ±16mm(up ...