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If you want to purchase a digital camera, you really must have at least some idea of what you need to look out for and avoid. You don’t have to be an expert, but you must at least know some basics to make sure you don’t end up with an inadequate camera for your digital photography. The following is a series of things you need to understand and look out for, there there is less plus several things you must avoid.

A digital camera’s megapixels

Generally speaking, the more megapixels a digital camera has the better quality photos it will be able to produce. It is true that with the higher end cameras or 8 to 12 megapixels, the quality of the digital cameras lenses will also play an important role, but for digital cameras of 6 and below megapixels, the number of megapixels is generally the most important factor in the quality of the digital pictures it produces.

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.

For example some digital cameras will have in big print on the camera and or in its documentation say six megapixels, but underneath in small print it will say something like five megapixels enhanced to six using software. Basically this means that the camera is really only capable of five megapixels but the software in the camera will attempt to enhance the quality of the photos to six megapixels, this will never be as good as a true six megapixel camera.

2. Zoom:

You need to know just how much zoom you are going to need on your camera. It will greatly depend on your use of your digital camera, and only you can answer this question. One thing to remember is that the more zoom you have on your digital camera the more you’ll be able to do with it.

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.

In my opinion digital zoom is about as useful as mud, I’d much rather not use digital zoom and instead digitally enlarged the picture at home on my PC. This way I would be able to see exactly how much picture quality I would be losing and I would still have the original picture at full quality.

3. Powersupply

The powersupply is something greatly ignored when people buy digital cameras. People just don’t consider it, yet when you think about it having a reliable power source for your digital camera is vital to make sure you don’t ever run out of power right when you need your digital camera most.

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.

Some lower end and most of the higher end digital cameras will only accept their own powersupply specifically made for that camera. These powersupplys are normally Lithium batteries and can be quite expensive.

These batteries normally last longer than normal batteries, but you will still want to have at least one spare battery Pack. Because of the price of these batteries you will need to take them into account when you’re purchasing your digital camera.

Some digital cameras can take both normal batteries and their own specific battery pack. This could, as I’m sure you can imagine, be a pretty cool feature since it will give you full control.

When you take it upon yourself to purchase your next digital camera, remember to look out for the things mentioned in this article. Also once you have narrowed your search down, look at online reviews to compare each camera side-by-side.

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.