Description Description Magnifications - 10x zooming to 16x (focus adjustment required) Filters - 3 neutral density; 1 cobalt blue Angle of convergence - 13 degree Actual field of view - 10mm (16x) , 15mm (10x) Range of Interpupillary Distance -Adjustment 50mm to 70mm Range of examiner's diotric projection adjustment -8D to + 4D Slit Length Fixed - 12mm Slit Width 0.1mm, 0.2mm, 0.8mm, 12mm, spot Slit Projection Angle Horizontal, 60 degree Light Source 7.5V, 15W halogen lamp Duration of Illumination Approx. 40 minutes includes add'l 15 W Halogen bulb, fuses, lithium ion battery pack and forehead rest View AllClose
