Description
Specification:
Ranges of diopter measurement: 0~+25D
Minimun scale value: 0.125D at 0~±5D
0.25D at ±5D~±25D
Astigmatism axis of cylindric lens 0~180°,Minimum scale value 5°
Prism diopter:
prism diopter of pattem A:at 1∆interval in the range of 0~5∆
prism diopter of pattem B:at 1∆interval in the range of 0~20√
Prism base angle: 0~180°,Minimum scale valuce 5°
Regulation of ocular visibility: ±5D
Siza of lens: ф16mm~ ф80mm
Overall dimensions of device: 275mm×130mm×455mm
Weight: 5.6kg
Lighting lamp: 220v15w 110v15w
