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Chapter 1. Pre-Maya: A Primer > Cameras and Perspective

Cameras and Perspective

The camera's positioning can imply certain characteristics or traits about the subject. The camera can be close to or far from the subject. It could be under the subject looking up or above the subject looking down. In addition, cameras—both real and virtual—have a field of view or, as it's called in Maya, angle of view. That means the camera can be wide-angle or telephoto. The viewer's perception is the intensity of the perspective effect; that is, as the camera views a wider field, the perspective becomes more exaggerated. Normal human vision applied to a typical viewing plane (TV, movie screen) uses a roughly 50-degree viewing angle. Larger angle values view a wider area and produce a stronger, more exaggerated perspective effect, and vice versa, as shown in Figure 1.8.

Figure 1.8. Angle of view and apparent perspective: On the left is a 20-degree angle of view, and on the right, an 85-degree angle of view.



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