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 fliter

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

4kg

Power supply

AC 110-120V or 220-240V 50/50Hz

Horsepower

60w