Slit lamp g300m Specification Microscope: Type: galilean magnification, 13 degree binocular tube with converging optics Magnification style: revolving drum Magnification ratio: 6x, 10x, 16x, 25x, 40x Stereo angle:13 degree Eyepiece:12.5x Pd adjustment:55mm~78.5mm Diopter adjustment:-6d~+6d Illumination:ff Slit width:continuous from 0mm to 14mm (at 14mm, slit becomes a circle) Slit height:continuous from 1mm to 14mm (at 14mm, slit becomes a circle) Slit angle:0 to 180 degree with horizontal scanning capability Aperture diameters:14mm, 10mm, 5mm, 3mm, 2mm, 1mm, 0.2mm Filter:heat-absorbing, uv, cobalt blue, red-free Slit inclination:5 degree, 10 degree, 15 degree, 20 degree Illumination bulb:6v, 20w halogen bulb Base:ff Longitudinal movement:90mm Lateral movement:100mm Fine base movement:15mm Vertical movement:30mm Chinrest:ff Vertical movement:80mm Fixation bulb:green led Power:ff Power supply:100-120v, 220-240v ac Frequency:50/60hz Power consumption:30va