A Digital Cameras Mega Pixel Rating Is A The Measure Of The Resolution

A CCD provides an interesting advantage to the digital camera

. It is possible to automatically adjust light sensitivity to improve contrast, shoot in dim light, or even take black and white, sepia or infrared and ultraviolet light pictures with the touch of a button.

The more pixels the more detail stored. If the image is going to be viewed on a screen or a TV, this isn't very meaningful because video displays have resolutions which are usually well below one mega pixel. However, when printing on a high quality photo printer, the difference between a 3 mega pixel digital camera and a 5 mega pixel digital camera can be very obvious.

Most people do not make enlargements larger than 8 x 10 and so much of this resolution is wasted on almost all the photography. While these high resolutions may sound cool, for many people it may be just wasted money. Most people will be more than happy with a digital camera in the Six to eight megapixel range.

Unless you regularly make enlargements larger than 20 x 24, you probably will not see any advantage in a digital camera with a resolution this high. Even a six megapixel camera will provide great images up to an exceeding 20 x 24. If you want to make high quality 8x10 prints or larger, you need more megapixels. Higher megapixels also allow you to crop down to a smaller portion of the picture while still retaining sharpness in prints.

Some cameras offer interpolated resolution to get bigger pictures from the same number of megapixels by using software algorithms to determine what color pixels to add, so the picture becomes bigger at the expense of clarity. The quality of the lens can make a significant difference in the clarity of that image. Very cheap digital cameras may even use a piece of plastic as the lens, which will usually have an uneven surface and light transmission. The quality of the lens can make a significant difference in the clarity of that image. Very cheap digital cameras may even use a piece of plastic as the lens, which will usually have an uneven surface and light transmission.

It's also really handy to have a flip screen that allows you to hold your camera low or high, and still be able to see what's on the screen.

by: Ken Dragki

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