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Digital camera optical zoom question
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<p>Digital zoom is nothing more than a electronic sensor that expresses a color in a Hexdecimal (Binary) form for an image. At certain resolutions the image will fail because there is not enough color dots to fill in the gaps.</p><p>Using Optical Lenses to zoom preserves the image itself. It may still be processed into digital form by the camera and hopefully with sufficient capacity to make a good picture.</p><p>I am trying to decide if I want one of those mega 1000 dollar Rebels because I tend to have the engine and first three cars in focus while the rest of the train is out of focus bad. (Depth of field)</p><p>Space's picture is pretty good. But the total depth is what.. a few inches?</p>
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