What is JPEG and TIFF?

Two most popular picture storage formats used by digital cameras are JPEG and TIFF. The JPEG format uses lossy compression (some data judged by the algorithm to be less important to the human viewer is discarded) to achieve small file sizes. The TIFF format uses lossless compression so no information is lost, however the pictures are typically much larger. High-quality JPEG setting is preferable for most uses. ...

What does megapixel mean?

A pixel is a little square that makes up the image on your computer screen. For example, your computer's 17" monitor has a resolution of 1280 pixels wide by 1024 pixels tall. A digital camera's CCD can only capture so many of these pixels, which are then stored in memory, and later transferred to your computer.If a camera can capture at a resolution of 1280 x 1024 (just like the above monitor), which is a little over 1,300,000 pixels (finding out the total pixels by multiply 1280 x 1024). T ...

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