What can one say about this camera. It is a marvelous piece of hardware. It is an excellent choice for wildlife or sports photographers. With it's extensive customizable functions it can have a longer learning curve than one might expect but it is worth it's weight.

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Canon Website Description
The reborn EOS-1D achieves 8.2 effective megapixel resolution even at a continuous shooting speed of 8.5 frames-per-second. This extraordinary feat is more than evolution, it’s a revolution in digital camera performance. Versatility, operational ease and all aspects of camera design have been meticulously refined to give professionals a genuine edge at decisive moments.