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Digital zoom is a method of decreasing the precise angle of view of a digital photograph or video image.It is accomplished by cropping an image down to an area with the same aspect ratio as the original, and scaling the image up to the dimensions of the original.
A dolly zoom (also known as a Hitchcock shot, Vertigo shot, Jaws effect, or Zolly shot) is an in-camera effect that appears to undermine normal visual perception.. The effect is achieved by zooming a zoom lens to adjust the angle of view (often referred to as field of view, or FOV) while the camera dollies (moves) toward or away from the subject in such a way as to keep the subject the same ...
The Z-series was Kodak's high-zoom and performance-oriented range of consumer digital cameras, replacing the original DX series. Typically, Z-Series cameras have higher optical zooms than any other series. The highest optical zoom camera offered by Kodak was the Z990 with a 30X Optical Zoom. Kodak EasyShare V-Series