He invented the camera obscura, the precursor to the pinhole camera, to demonstrate how light can be used to project an image onto a flat surface. Earlier references to the camera obscura have been found in Chinese texts dating to about 400 B.C. and in the writings of Aristotle around 330 B.C.
A, with intentional contrast, the artist is trying to draw emphasis on something.
Melchior Broederlam was heavily influenced by the Trecento style of painting. Trecento style was created during the Renaissance era. It centers on the Italian culture.
Broederlam was able to demonstrate his style by making panel painting of the Christian culture. Broderlam was said to paint a panel painting of the Flight to Egypt, Presentation in Jerusalem and the Annunciation and the Visitation.