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Digital cameras can be disconcerting for many beginners. When shopping for a digital camera is very likely that you will encounter terms like white balance, pixel, ppi and dpi mean and how they affect the image and print quality.

You can probably be expected to know the difference between things like optical zoom and digital zoom, as well as the advantages and disadvantages between storage formats such as Compact Flash (CF), Micro, Sony Memory Stick, Secure Digital (SD), Multimedia and camera interface technologies such as USB 1.1, USB 2.0 and FireWire IEEE 1394. Lets make things simple and go to the things you really need to know.

Pixels

A pixel is an abbreviation of the phrase image element. Digital images are basically made up of small squares, like a mosaic tile in your kitchen or bathroom wall. They are the more pixels, the better? To see it on the Internet, the resolutions of 640 X 480 is enough. For a typical picture 4R, you need a resolution of 1200 X 1800.

Difference between optical zoom and digital zoom

The majority of both houses have optical zoom and digital zoom functions. Optical zoom works like a zoom lens on a traditional film camera. The lens focal length changes and expansion, since it is enlarged. The picture quality is high throughout the zoom range. Digital zoom simply crops the image of a smaller size and expands to fill the cultivated portion of the new framework. Digital zoom always translate into a considerable loss of quality.

The storage of wars

There are many different memory cards used in digital cameras different.

Compact Flash (CF) – The original memory card. Slightly larger than the others, but used in all high-end digital SLR. Available in capacities up to 2GB.

Secure Digital (SD) – Very little – about 24 mm x 32 mm and 2 mm thick. SD cards have been built in a script protect switch to avoid any unintended and elimination of some encryption capabilities. This may be of little interest to most of the owners of digital cameras.

Multimedia – the same size as the DS, but with fewer features and no encryption capability. There are some that can be used in some cameras SD, but are not 100% compatible with SD cards in all applications.

Memory Stick – is introduced by Sony and used only by Sony cameras.

XD – Developed and used by Fuji, Olympus and Toshiba – even smaller than SD. 20mm x 25mm 1.7mm thick

There is really no reason to choose a camera with a brand over another unless there are multiple cameras or other devices that can also use the same memory cards. So it is more convenient if they can share the same cards.

Buy a digital camera

Some magazine advertisements for the cameras at low prices they charge even higher cost of transportation or you can say that is out of stock. Of course we have a more expensive for you. The shop only for the cameras reputable dealer. At least likely to have a more responsive customer service.