 It has been suggested that he used a magnifying glass in order to paint the minute details such as the individual highlights on each of the amber beads hanging beside the mirror.The illusionism of the painting was remarkable for its time, in part for the rendering of detail, but particularly for the use of light to evoke space in an interior, for "its utterly convincing depiction of a room, as well of the people who inhabit it".Whatever meaning is given to the scene and its details, and there has been much debate on this, according to Craig Harbison the painting "is the only fifteenth-century Northern panel to survive in which the artist's contemporaries are shown engaged in some sort of action in a contemporary interior.