In a traveling or following spotlight in a musical theater production, the brilliant xenon lamp positioned a. a little under one focal length behind the lens. b. exactly one focal length behind the lens.

In a traveling or following spotlight in a musical theater production, the brilliant xenon lamp positioned

a. a little under one focal length behind the lens.
b. exactly one focal length behind the lens.
c. a little over one focal length behind the lens.

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In a traveling or following spotlight in a musical theater production, the brilliant xenon lamp positioned a. a little under one focal length behind the lens. b. exactly one foc…

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