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Specifications
Type Occular type external reading system
Vertex Power Range ±25D Step : 0.25D step upto ± 10D
: 0.50D step beyond ± 10D
Cylindrical Axis Scale 0 to 180° (1° step)
Prismatic Power Range 5 in the viewfield (1 step)
Target Pinshole Corona + Cross
Eyepiece Focussing +3D to -5D
Dianeter of Lens Accmodated 30 to 80mm
Tilting Angle 30° to 90°
Light Source AC 220V 3W.