» Type : Ocular Type External Reading System
» Vertex Power Range : ± 25 D Step : 0.25 D Step Up to± 10 D 0.50 D Step Beyond ± 10 D
» Cylindrical Axis Scale : 0 to 180° (1° step)
» Prismatic Power Range : 5 in the View field (1 step)
» Target : Pinhole Corona
» Eyepiece Focusing : 3 D to -5 D
» Diameter Of Lens Accommodated : 30 to 80 mm
» Tilting Angle : 30° to 90°
Light Source AC 220 V 3 W LED