camera is a camera that takes video or still
photographs, or both, digitally by recording images on
a light-sensitive sensor. Many compact digital still cameras can record
sound and moving video as well as still photographs.
In the Western market, digital cameras outsell their 35 mm film
Digital cameras can include features that are not found in film cameras, such as displaying an image on the camera's screen immediately after it is recorded, the capacity to take thousands of images on a single small memory device, the ability to record video with sound, the ability to edit images, and deletion of images allowing re-use of the storage they occupied.
Digital cameras are incorporated into many devices ranging from PDAs and mobile phones (called camera phones) to vehicles. The Hubble Space Telescope and other astronomical devices are essentially specialised digital cameras.
PUBLISHED BY KEN DUNN - DUNWAY ENTERPRISES
Articles:Digital Zoom Versus Optical Zoom How Many Mega-Pixels Do I Need? Five Ways to Make Money Using Your Digital Camera Red Eye and Your Digital Camera How to Save Photos From Your Digital Camera
One of the confusing things in choosing a digital camera is deciding how many mega-pixels you should look for. The answer depends on what you plan on doing with the finished pictures.
First, you need to understand what a pixel is. In terms of digital prints, a pixel simply means a dot of color that makes up the image. A mega-pixel is equal to one million pixels. The more mega-pixels a camera has, the greater the amount of information it records.
The easiest way to decide what to look for is to know what size prints you are likely to print from your camera. A one mega-pixel camera is fine for those who don’t plan on printing photos but rather just post them on the internet. A small print, say 4 x 6, will print acceptably from this camera.
A 2 mega-pixel camera will enable you to produce good quality 5 x 7 prints and fair quality 8 x 10 prints. When you reach 4 mega-pixels you can print out excellent quality 8 x 10 prints and acceptable 11 x 17 prints and a 5 mega pixel camera will allow you to print out high quality 11 x 17 prints.
Most families find a camera in the 3.2 Mega-pixel range to be the best choice. The quality of both 5 x & and 8 X 10 prints is very good yet the files on your computer are not so large you need worry about not having enough space.
Any camera over 5 mega-pixels is unnecessary for all but professionals in photography; even then, only those who have need for poster-size prints find that many mega-pixels worth the money. Most freelance photographers find 4 or 5 mega-pixels to be sufficient for excellent-quality prints.
The choice is yours. Look to what you plan on doing with your photos and then decide. In most cases spending the money for increased optical zoom and lower mega-pixels is the best choice.
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