Digital cameras give you photos that are extremely portable. You can download your shots to a computer to email or edit with programs like Adobe’s PhotoShop, print them out, or create slideshows – all without having to drop off film and pay for developing it. Some digital cameras even let you shoot quick videos. Nowadays, even PDAs, cell phones and watches have entered the world of digital photography. Below we’ll talk about the fundamentals of how digital photography works. This will be important when choosing a camera.
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Pixels.
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A digital image, or photo, is made up of millions of tiny dots. The number of pixels determines the quality – also called the resolution – of the image. With digital photography, when you click the camera’s button, a computer chip called the “charge couple device” (CCD) inside the camera instantly records the location, color, and brightness of each pixel. Put all those pixels together and you have the photograph!
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- Resolution is an important factor when buying a camera. Higher resolutions cost more, but also result in images that can be enlarged digitally without losing quality. When shopping for a ‘point and shoot’ digital camera to use for fun look for cameras with a resolution between three to five mega pixels will let you print nice quality 4” x 6” up to 8” x 10” prints.
- Batteries.