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Pentacon Praktica Camera Repairs and Owner Manuals
Lens groups in the target is moving by turning a lens ring or pressing a button on the case of “Zoom Power” (motorized zoom) in compact cameras or video, thus the focal length varies with This space will enter the frame of the photo.Zoom lenses are a practical option, convenient and economical to replace a different set of fixed focal length objectives can cover everything from wide-angle to telephoto lenses. Using a zoom avoids having to constantly changing targets, avoiding delicate task even in dusty or humid environments, saving time and often decisive. On the contrary, the comfort of their management leads easily to inexperienced photographers neglecting the composition of a photograph. In the filming of a movie, the zoom can not be used as a substitute for traveling.