The LED 3 SC can adjust the size of the light field. You find more detailed information on the technology pages. Effective. Our powerful LED-technology helps keeping a cool head through an almost inexistent heat development in the surgeon's head area and wound field. Innovative. Our facetted multi-lens system guarantees lowest shadiness and absolute homogeneity. A multitude of computer-calculated facetted lenses create punctual illuminated light fields, increase the contrast effect and therefore exact illumination of the wound field.