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Advanced Camera: Advanced digital cameras offer owners the option of manually controlling a variety of camera settings, including focus, aperture, and shutter speed.
CompactFlash: The most widely used digital memory format, CompactFlash cards are used by most current Canon and Nikon cameras, as well as many other brands. CompactFlash cards are available in sizes up to 2 Gigabytes, larger than any other currently-available format.
Digital Zoom: Most digital cameras provide two methods for zooming: optical and digital. Unlike optical zoom, which uses the optics of the lens to magnify the size of an image, digital zoom discards pixels around the edge of an image, fitting the remaining pixels into the same space to give the appearance of zoom. Since digital zoom comes at the expense of resolution, you should always choose a camera based on its optical zoom, not the digital or combined figure.
Extended Zoom: Extended zoom digital cameras offer 8x optical zoom or greater, providing far more telephoto power than most other digital cameras (the average digital camera offers 3- or 4x optical zoom). On most digital cameras, a 10x optical zoom is approximately the equivalent of a 380mm lens.
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Digital Cameras By Brand