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.
When comparing digital cameras by the number of megapixels they are capable of, you will need to look closely at the small print on the digital camera or in the digital cameras manual. You may find that the camera is in reality capable of less megapixels then it leads you to believe.
Here's what I mean, it is normal for digital cameras to have the number of megapixels they are capable of printed on them in big print, however quite often you will also find printed in relatively small print underneath the big print something like, five megapixels software enhanced to six megapixels. This will never be the same as a true six megapixel camera and will not be capable of the same quality as a true six megapixel camera would.
How much zoom do you need?
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.
There are two kinds of zoom, optical and digital. Optical zoom zooms in using lenses within the camera, so there will be no quality lost. Where as digital zoom on the other hand will simply make your pictures bigger and so will lose you are lot of picture 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.
A digital camera's powersupply
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.
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.
A few digital cameras have the capability of being able to take both their own specific battery pack and normal AA or AAA rechargeable batteries you can find at any supermarket.
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.
Comparing cameras with the help of reviews is especially helpful when looking to buy a top end digital camera, since at this level the quality of the digital cameras lenses and other specifications can make a lot of difference in image output quality.
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You can do additional reading on this with this Basic Photography Guide. The History Of Digital Photography page is highly recommended.
