The SFERA free-standing LED luminaire delivers superb lighting quality while meeting the highest demands in terms of energy efficiency. It provides ideal lighting conditions in the workplace for a wide variety of visual tasks. It has a transparent, MPO+ based, light-directing optic and guarantees glare-free light for screen-based working. It provides maximum luminaire efficiency thanks to a large direct component (46%). Luminous flux levels of approx. 6,600 lumens, a low installed load of approx. 72 W and LEDs with a service life of up to 50,000 hours make this luminaire particularly sustainable.