Essentially, they define the range between the widest focus and tightest
focus available through your camera??™s lens. Have you ever used a camera that allows
you to switch from a standard lens to telephoto (for shooting at long distances) or macro
(for magnifying small subjects)? Changing focal length or zoom factor in LightWave does
much the the same thing, only in a virtual way thatgives you a practically infinitechoice
of lenses. By animating changes to these settings, you can even ???morph???one lens into
another to vary your scenes.
Figure 5.14 All of your scene??™s cameras can be
selected within the Camera Properties panel, from
the Current Camera selection list.
The default zoom factor 3.2, is equivalent to a focal length of 24 mm, as shown in Figure 5.15.
Figure 5.15 LightWave??™s default zoom factor is 3.2, or the equivalent of a 24mm focal length.
The default, which is equivalent to a standard medium-wide video camera lens, is a good
starting point for most animations , but to make something come alive in 3D, you??™ll want
to ???change lenses??? in the course of your animation. Figure 5.16 shows a scene with the
default zoom factor setting.
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