Photograph of a Photograph

When a photograph of a photograph is taken, curious perspective effects occur.  This is vividly illustrated in Fig. 38. 

Fig. 38 A photograph of a photograph.

The bald man appears deformed as we are viewing it well away from its center of projection and viewing location.  As discussed in Part I, an image in perspective is meant to be viewed only from one point.  However, if we look at the other man in the figure from a position away from the center of projection of Fig. 38, he will not appear deformed.

When the shape and position of the picture surface can be seen by the observer, an unconscious intuitive process of psychological compensation takes place.  This restores the correct view even when the picture is viewed from the wrong position.  In fact, this important characteristic has been noted by Albert Einstein.