Specifications
Sphere	0 -> -29D, .125 steps.  0 -> +26.75D, .125 steps
Cylinder	0 -> +8.00D, .25 steps
Axis	0->180 degrees, 1 degree steps
Prism power	0-20 prism diopters in each direction, 1 steps
Pupillary distance	48-80mm
Dimension	405 mm x 320 mm x 105 mm
Weight	5.2 Kg
Auxiliary Lenses OU	Open aperture (O), Occluder (OC), +/- .50D (FCC), Pinhole (PH), Retinoscopic lens +2.00 for 50cm (R)
Auxiliary Lenses OD	6 prism diopters BU, red filter (RF), red maddox rod horizontal (RMH), red maddox rod vertical (RMV), polarizing filter, axis 135 (P135)
Auxiliary Lenses OS	10 prism diopter BI, green filter (GF), white maddox rod horizontal (WMH), white maddox rod, vertical (WMV), polarizing filter, axis 45 (P45)