Parameter:
Measuring range of diopter:0~±25D
Minimum scale value:0~±5D at 0.125D
                    -5d~25D,+5D~+25D at 0.25D
Astigmatism axis of cylindric lens:0~180°,minimum scale value 1°
Prism degree:0~5△,minimum scale value 1△ w/o prism
             0~20△,minimum scale value 1△ w/o prism
Prism base angle:0~180°,minimum scale value 1°
Range of ocular visibility adjustment:0~±5D
Available lens size:φ16~φ80
Power supply: AC 100V~120V/60Hz or AC 200V~240V/ 50Hz
Lamp of illuminaion:AC 100V~120V/15W or AC 200V~240V/15W
Dimensions(packing):385mm(L)x
175mm(W)x535mm(H)
Measure diopter of spherical and cylindric lens,astigmatism axis of
cylindric lens,diopter of prism, diopter of cornea-contact lens
High quality and fine functions
Precision measurement result