Article by Sue Webster
What Is A Digicam And How Does It Take A Picture? – Technology
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What Is A Digicam And How Does It Take A Picture?
Digicams – most commonly known as digital cameras – are cameras that can take still photos and short videos using a digital method that records the images onto a light-sensitive sensor and then transfers them onto a removable chip. Most digicams today can record sound with the video, and while they are not as high-tech as their camcorder cousins, the quality is good enough for short clips that you manage to take during candid moment.
A digicam also features options that most standard film using cameras do not. For example, digicams come with a LCD screen in which you use to line up the picture or video and then review them after the have been taken. The storage medium allows the user to take considerably more pictures than the average roll of 24 or 36 exposure film – a 1 GB chip can store over 200 photos. Users who are not happy with the picture they took can immediately delete and take it again without wasting an exposure or film. Plus, the chip can be erased and reused over and over again.
Digicams can be found not only in a standard compact camera format, but also in mobile telephones, PDAs and even in high-tech instruments such as telescopes. The Hubble Space Telescope is a very large, very specialized digicam. The flash in a digicam is built in and users can play with the variety of settings available on them – in the mobile phone and PDA style – to make their pictures more interesting. Setting such as sepia and black and white, red eye reduction, and more all make a digicam more versatile that a traditional film camera.
This technologically advanced camera takes a picture in the same way as a traditional camera with the exception of needing to use the optical frame. On the back of a digicam – or on a separate piece connected to the device – is an LCD view screen that acts in the same way as the optical frame with the exception that you do not put it to your eye. By lining up the picture with the LCD screen, you are ready to take the picture. Digicams have shutters just like a regular camera and some move a little bit faster. The shutter will open and close, capturing the picture.
Instead of imprinting the image on film, a digicam will convert the image into a digital format. It will then save the image file on a small media chip that can then be placed into the user’s computer and the pictures or vide downloaded onto the computer to be viewed or printed. Depending on the megapixel resolution of your camera will determine just how clear and sharp your photos are.
Digicams do save money in that the pictures can be developed and printed at home as many times as the user wishes. They are easy to use and you never have to worry about running out of film during all of those ‘Kodak moments’.
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