Measurement mode:K/R mode:Refractive and Keratometer measurement.
REF mode:Refractive measurement
KEF mode:Corneal curvature measurement
Refractive measurement:Vertex Distance:0.0,12.0,13.75,15.0 mm
Sphere:-20.00~+20.00D
Axis:1°~180°(1° step)
(0.12/0.25D step)(VD=12mm)
Cylinder:0.00~±10.00D (0.12/0.25D step)
Pupil Distance:30~85 mm
Min. pupil diameter measurable:2.0mm
Target:Automatic fogging target
Corneal curvature measurement:Radius of curvature:5~10mm(0.01mmstep)
Corneal Refraction:33.00~67.00D(0.12/0.25Dstep)
Corneal Astigmatism:0.00~-15.00D(0.12/0.25Dstep)
Angle of corneal:1°~180°(1°step)
Corneal diameter:2.0~12.00mm
Hardware specification:Monitor:5.7 inch Color LCD
Printer:Fast thermal printer
Power saving function:OFF, 5, 15 mins (selectable)
Power supply:AC110~220 V,50/60HZ
Dimensions/weight:288(W)*500(D)*480(H)mm/14kg 
OEM is available