Rivals the best high-end tabletop models. The compact and versatile Handheld Slit Lamp uses a patented optical system to produce a high-brightness, continuously adjustable sized slit image. The attached 20-D loupe provides 5x magnification and a large field-of-view. It weighs only a few ounces and operates for hours on two standard alkaline AA batteries. Nylon soft pouch included.