even light yield but for 12W (= 60W Standard) actually ok .. Photo feigns flatter design, with about 7 - 8 cm higher than necessary constructive (unfortunately not specified in the text). Flush ceiling installation is not possible, because you have to draw around to loosen the cover on all 4 sides around the edges and solve a stop. The glass is slightly curved (1 cm) .For the special price is right price / performance for the larger version 35x35 far!