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Height Perspective
Atmospheric   Perspective

Photography (Basic) - Introduction to photography and other graphic techniques
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PH3  Joan  Zopf 302.304 Figure 5-22.–Dwindling size perspective. Dwindling Size Perspective Through the experience of vision, you are aware of the size of many common objects, such as people, trees, cars, buildings, and animals; for example, you are aware that most adults are about 5 to 6 feet tall; therefore, when two people are shown in a picture and one appears twice as tall as the other, you cannot assume that one is in reality taller than the other. Instead you assume the taller person is closer and the shorter person farther away from the camera viewpoint. In this same manner, you make a size  relationship  evaluation  of  all  familiar  objects.  Thus you can make a distance determination from this size relationship evaluation. The farther away an object is from the viewpoint, the smaller it appears; therefore, when  subjects  of  familiar  size  are  included  in  a photograph, they help to establish the scale of the picture (fig. 5-22). Scale helps the viewer determine or visualize the actual size or relative size of the objects in the picture. Volume  Perspective When a subject is lighted with very diffised light, the three-dimensional form or volume of the subject is difficult to perceive because of the lack of distinct shadows. If, on the other hand, subjects are lighted with strong directional light from angles that cause part of the subject to be fully lighted and other parts to be in shadow, a visual clue of the subject's form or volume is provided When a number of such objects are included within the picture area, the perception of form, volume, and depth is increased. When front or side lighting is used, the length, depth, and shape of the shadows cast on the ground provide a perspective of each object's volume. Also, the distance between shadows cast on the 5-25







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