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LCD, Liquid Crystal Display or Liquid Crystal on Silicon, has been around for some time. This technology can be commonly found in popular HDTVs, computer or laptop monitors and Sony's new PSP. But the downside to LCD screens is the dreaded "dead pixel" or "hot pixel" phenomenon. Dead pixels or "hot pixels" are defined as "a pixel on an LCD monitor that remains unlit, or black, when it should be activated and displaying a color.

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The Digital Camera The New Age Of Photography

That digital cameras have brought about a sea change in the world of photography is undeniable. How one captures, prints and stores photo prints has been revolutionized. We no longer need to have loads of patience to wait for the photographer to slowly develop, print and deliver the photos in his sweet time. A tiny bit of carelessness and you would stand to lose the entire film roll.

Barely a decade ago, we would have to buy and develop a roll of film in order to snap a few photos. The number of pictures one could click was limited by the length of the film and if you wanted to do some serious photography you would need to carry a sack load of films and batteries. You may also consider a digital camera to be a computer accessory since you can easily download photos from your camera to your PC and then take their printouts as and when you need. You may also send these photos to people as emails.

Finding the right digital camera is tough. You have to study them thoroughly. You must be sure of what you require, what you need to use to get that and what is being sold in the market. You must possess a thorough knowledge of various accessories of the it like lenses, tripods, filters and external flashes if you wish to operate like a true professional.

Digital cameras are capable of capturing sound bytes and video photography besides taking stills. For this reason, the shops stock numerous kinds of digital cameras, for example, there are video cameras or modular digital cameras that are meant for professionals. There are also certain varieties that are multifunctional. Numerous kinds of digital cameras are found in shops and every one of them is different from the rest. The inbuilt features of the cameras decide the price tags so it will not be tough to take your pick if you are limited by your budget.

However, if your pocket is not a constraint then you need to be more selective of what you buy. Incase you purchase a camera with advanced features that you wont require, you are being wasteful, just as is the case if you buy one that doesn`t have all the attributes that you need. Whatever the case, the resolution of the camera is of cardinal importance because if it doesn`t match your requirements then it would be a total waste in terms of processing power, space for storage as well as money.

Earlier on, only a resolution of 1 mega pixel was available but now resolutions up to 10 mega pixels are available and this renders excellent picture quality. It is a folly to think that the higher the picture resolution, the better are the chances of good photo quality. If your objective is to take snaps for use on the computer, such as for web posting, or emailing, a lower resolution picture will serve the purpose quite well, as will, a low capacity memory card. All the functions of a digital camera can be executed just as well with less memory. Software like Corel paint and Photoshop help you to bring about any number of changes in the photos you click.

You could alter or modify the backdrop or make loads of other needed changes. Digital camera could require either A size batteries or rechargeable varieties. It could be connected to your computer through bluetooth, USB or firewire ports. The world is fast waking up to the various uses of the digital camera and the days of developing negatives are in fact becoming history. The instant gratification of seeing before your eyes the snap you clicked the previous moment, and the unmatched convenience of being able to edit the faults, make it an unrivalled choice of the next generation of photographers.

This article can be accessed in portuguese from the Article section of page www.polomercantil.com.br/camera-digital.php
Roberto Sedycias works as IT consultant for www.PoloMercantil.com.br

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