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PPerspective Control

Correcting in an image editing program or composing to eliminate the distortion that occurs in a photograph because the flat surface of the camera's sensor (or, in the case of a film camera, the film plane) is not parallel to parallel lines in the image.
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Zoom Lens
A lens with a mechanical assembly of elements that permits the variance of the focal length and thus the angle of view, as opposed to a prime lens, which has a fixed focal length.
Zettabyte (zb)
A zettabyte is a unit of information equal to 1,024 exabytes or approximately 1,000,000,000,000,000,000,000 bytes.
Zoom Memory Function
The Zoom Memory function allows the camera’s zoom lens to be used in a way that simulates use of a prime lens, and is ideal for shooting at a preferred angle of view.
ZooM
Automatic Power Zoom feature of Nikon Speedlights. The zoom head is automatically adjusted according to the focal length of the lens in use.
Zoom Flash
A flash unit with a mechanism that adjusts the angle of coverage according to the focal length of the lens in use.
Zooming During Exposure
A technique in which the zoom ring of a lens is turned as the exposure is made. The technique creates radiating lines from the center of the frame and imparts a strong feeling of movement.