Portable Slit lamp in LED light,supply a full series high quality optical/ ... :1×,10×,16×compensation: ±5DDiameter of light: 0.1, 1, 3,10mmPupil distance: 45-70mmWorking distance: 78mmSlit width: 0mm~ 10mm(continuously ... adjustable)Slit height0.2, 0.3, 5,10mmFilter: Hear absorption, Redfree, Cobalt blueIllumination rotator angle: horizontal ...