Compact and lightweight, the portable Hand-held Slit Lamps is ideal for situations where a full-size slit lamp is not available or convenient. For the examination of the anterior segment in Human and Veterinary medicine. Slit size adjustable from 0.2 mm x 10 mm to 4 mm x 14 mm. 6 x magnification. Blue interference filter (FITC), can be selected for corneal examination. Multi-coated optics for maximum light transmission. 2.5 V or 3.5 V XHL Xenon Halogen Technology for bright, white light comparable with the brightness of a classic slit lamp. The HSL 150 instrument head weighs just 70 g, the lightest slit lamp of its kind. The Hand-held Slit Lamp HEINE HSL 150 instrument head weighs just 70 g, the lightest slit lamp of its kind.