
Sphere: 0.00~-19.00 Diopters, step: 0.25, 0.5, 1,3
0.00~+16.75 Diopters,step: 0.25, 0.5, 1,3
Cylinder:0.00~± 8.75 Diopters, step: 0.25, 0.5, 1,3
Cylinder Axis: 0° to 180°, step: 1° ,5°
Prism form: Base up, base down, base in,base out
Near distance: Mechanical converging with an optical axis at 30 to 40 in front of eye
Binocular balance: Rotary prism, polarizing filter and R & G filter
Cross cylinder: ± 0.25D
PD: 50 to 80mm in 1 and 0.5mm step
Retinoscope: +2.00D or +1.50D both sides
Corneal alignment: 12 to 20mm by 2mm step
Field of view 35°
Power source: AC 110-120V/220-240V.50/50Hz,90VA
Dimension: 350 (W) x300 (H) x80 (D) mm
Net weight: 4kgPower supply: AC 110-240V 50/50Hz
Horsepower: 60w