Image: Optical View Plate Curvature

Figure HP.7 – Cherry Reflections

Source: detail of Jan Jansz. de Heem, late 17th century, A Still Life with Peaches, Grapes, Plums, Cherries and Prawns on a Ledge draped with a Blue Cloth, 19 x 25 cm, Oil on Panel, Private Collection, Spain.

 

Note the four windows reflected in two of the cherries. Note also how the straight line along the tops of their frames is rendered as a curve.