Recessed light field in a round design with flush and borderless ceiling optics for homogeneous lighting and seamless integration into architectural projects, no UV and heat radiation, sheet steel housing, ceiling thickness adjustable, mounting aid to be ordered separately, simple plasterboard installation with drywall screws, flush-mounted plastering of the luminaire required, opal insert made of acrylic glass, 5-pin connection terminal, operating device (LED converter) integrated (with DALI dimming)