Specifications
Sphere	0 -> -29D, .125 steps.  0 -> +26.75D, .125 steps
Cylinder	0 -> +8.75D, .25 steps
Axis	0->180 degrees, 1 degree steps
Phoria	0-20 prism diopters in each direction, .5 steps
Horizontal Convergence	0-40 prism diopters in each direction, .5 steps
Pupillary distance	48-80mm far, 50-74 mm near
Dimension	436 mm x 260 mm x 110 mm
Weight	7.2 Kg
Controller Unit
LC monitor	5.6 inches
Power voltage	DC5V
Power consumption	800mA
Dimension	246 mm x 205 mm x 185 mm
Weight	1.2 Kg