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Auto refractometer |
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Monitor 5.7-inch Color LCD Refractive measurement:
Vertex Distance:0.0,12.0,13.75, 15.0mm Sphere: -20.00~+20.00D(0.12/0.25D step)
Cylinder: 0.00~+10.00D(0.12/0.25D step) Axis: 1~180*(1*step)
Pupil Distance: 30~85mm
Min.pupil diameter measurable: C 2.0mm Target: Automatic fogging target