Specifications
Eyepiece Adjustment	+/- 5D
Measured Lens Diam.	o16 - o80mm
Dimensions	275 mm (H) x 130 mm (W) x 455 mm (D)
Extra lenses	Various lenses measured available
Sphere range	-25D -> + 25D steps .125D from 0 -> +/- 5, .25D for rest
Cylinder range	-10D -> +10D 1 degree steps
Axis range	0 -> 180 degrees, 1 degree step
Weight	5.6 Kg
Prism range	0 -> 5 prism units .01/.12/.25 prism diopters
Lamp	220/110V 15W