Ultra bright coaxial LEDHQ illumination • LED in HQ ' the new standard in LED illumination defining optimal light intensity, homogeneity and colour rendering for each individual examination situation. • Adjustable illumination spot size: 30 mm to 80 mm spot size range (at 420 mm working distance) to fit any examination situation. • Bright and Homogenous Illumination. Absolutely bright light spot that is uniform from edge-to-edge for the perfect illumination in all examination situations. • Stepless light intensity control. Optimal brightness setting prevents reflexes. • Flexibility. Flexible Power Source Options: 100 % mobility with a choice of cable-free mPack UNPLUGGED head-worn battery or mPack belt-worn battery pack. • Coaxial Illumination. Coaxial design ensures a completely shadow-free image and allows for excellent illumination of difficult to see areas. • with mPack UNPLUGGED and plug-in transformer UNPLUGGED • Comfortable and secure fit. The ML 4 Professional headband has multiple adjustment points and soft padding for comfort and stability ' even during long examinations. • Optional Filters. Polarisation filter P 2 improves contrast and yellow filter reduces blue light.