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- Zoom Flash
- A flash unit with a mechanism that adjusts the angle of coverage according to the focal length of the lens in use.
- 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.
- 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.