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by: VincentManga
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Most people when buying a digital camera really don't know what to look out for. Let's face it, most of us are not particularly tech savvy, so we have to rely upon what other supposedly tech savvy people advise us on. It really is essential that you know what you're buying when it comes to buying a digital camera, so in this article we will discuss the most important factors to lookout for and what to avoid.

The number of megapixels the digital camera is capable of:

From a basic standpoint, generally speaking the more megapixels a digital camera has the higher quality images it will be capable of outputting. You will find that with the higher end more professional digital cameras (8 to 12 plus megapixels) the image quality will also be increased significantly depending on the quality of the cameras lenses, but for lower end digital cameras this will have less effect.

Now in regard to the number of megapixels, there is one thing you really do need to look out for. It is vitally important that you read the small print as it were on the digital camera. You see many digital camera manufacturers will have you believe there camera is capable of a higher number of megapixels then it really is.

What many digital camera manufacturers do is to print on the camera or in their manuals say six megapixels in big writing, but underneath there's writing where they will put something like five megapixels enhanced to six using software. If the camera states something along these lines the camera is not truly six megapixels at all. If the camera has to use software to enhance its number of megapixels it will not be as good as a true six megapixel camera.

2. Zoom:

You're going to have to decide just how much zoom your camera will need, for this think about the type of photography you want to take with the camera, if a lot of long-distance photos are going to be taken, obviously more zoom will be very useful.

Most digital cameras come with two different types of zoom, digital zoom and optical zoom. With digital zoom the more you zoom in, the more the total number of pixels in the image will decrease resulting in a considerable loss of quality. With optical zoom the number of pixels in the image stays the same because the camera will make use of its lenses to make the area you are focusing on bigger thus not losing quality.

Again just like with the megapixels of a digital camera, the manufacturers often try to mislead you by using big wording stating how much digital zoom the digital camera has but only mention that the zoom is in fact digital in small print.

Personally digital zoom isn't of much use at all! You see, it's much better to digitally make your image bigger at home on your computer, since by doing so you will be able to see how much picture quality you will have to give up and you will just have so much more control. Not to mention the fact that you will still have your original photograph at full quality.

The powersupply for your digital camera:

It really is surprising just how many people never stop to think about this, but yet when you think about it, what could possibly be worse than running out of battery power right when you have a great opportunity to take great photographs?

AA and AAA batteries are the most common method used to power the lower end digital cameras. In many ways having this kind can be a good thing in that these batteries are cheap and easily replaceable at anytime.

Specially made lithium battery packs are normally used in the higher end digital cameras. Because of the fact these battery packs are specifically made for the cameras in question they are also normally considerably more expensive.

They will generally give you the advantage of lasting longer, however it is still wise to have at least one spare pack charged and ready to go with you at all times. When considering price on different cameras remember to take into account the added price for battery packs in the future.

It's not very normal but some digital cameras do exist that can take normal AA and AAA batteries as well as batteries specifically made for it.

If you take into account everything mentioned above when you compare digital cameras, you should have no problem in choosing a good camera for your usage. Also remember to check out on-line reviews as they will help you compare each camera.

Checking out on-line reviews can become even more important when you're looking to buy professional digital cameras, since lenses and other specifications for the cameras can make a lot of difference at this level.

About the Author

You can do additional reading about this with our Basic Photography Guide. The History Of Digital Photography article is highly recommended.

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