LED surface-mounted luminaire for ceilings with setback lens optic set in a Décorative ring. Direct only light distribution or direct light distribution and indirect lighting corona. Luminaire body made of high-quality processed FRP (fiberglass reinforced plastic). Outer housing and Décorative reflector ring available in various finishes and combinations, e.g. white, silver, graphite, black, gold or copper coated. For surface options and combinations check Lightnet Surface Collection or Bi-Colour Selection. Microprismatic screen with optimized glare reduction especially for workplaces. Satin opal diffuser for general lighting with maximum transmittance and homogeneous lighting. Converter integrated into luminaire housing, optionally switchable or dimmable (1-10V, DALI, Touch-Dim, Casambi). Colour temperatures 2200K, 2700K, 3000K, 3500K, 4000K or 6500K. Binning initial ≤ MacAdam 3. Colour rendering CRI>80 or CRI>90. Sophisticated mounting system for easy installation and stable hold.