The instant results seen with a digital camera has revitalized the whole photographic industry. This type has no need of the chemical processes that a film camera uses. You no longer have to send photos to a developing lab to have the pictures blown up or adjusted as long as you have a home computer. A series of ones and zeros is how all digital information is stored although the images are no different when viewed.Strangely, both types of camera focus light onto a surface that captures an image using a set of lenses. The only difference between a digital camera and film cameras is how they capture this light inside the camera itself. A feature of the better quality versions is they have a sensor that converts light into electrical charges using a different system to their less expensive cousins. The less expensive capture system called CMOS is generally in lower end cameras and probably won't replace the more expensive CCD although it does an admirable job.CCD's are much more costly to produce than the CMOS devices, but by using the latter it has brought the cost of many models down considerably. The digital camera converts the light it receives like millions of minute solar cells and both the CCD and CMOS end up storing an image but just using a different method to do it. Some useful tips are mentioned here if you are currently looking for a camera like this. From the point of view on having good quality photos, search for a high megapixel version as it will be worth it for the image you will capture with it; if you are lucky you may find a model that is discounted because a new version is about to be introduced.Unless your budget just won't stretch that far, don't buy a digital camera with only a digital zoom or you will find pictures that aren't very clear when you print them; it is much easier to take exactly the image you want with an optical zoom. Today's nickel metal hydride rechargeable batteries are very powerful and last for around a 1,000 charges so always use these if you want to save money. Although most are supplied with a number of photo functions, try for as many as you can because you will appreciate the effects that can be achieved; just like some of these here: *Special night time shots *B/W image conversion *Image editing If you're a photo freak, be sure that you have enough memory to take plenty of shots without worrying about storage. Digital storage has come down in price so buying gigabyte card will no longer require a loan but you shouldn't think of having anything less than this.If you are going to be taking your camera everywhere, choose a handy and portable model. These smaller models are very discreet and don't make you feel as if you are on a photographic safari but you can still take professional looking pictures. There has only been room for a few basic hints and tips here but they should help with your choice of camera. The digital camera has reinvented photography for the masses and this is a trend that looks set to continue.  For photography enthusiast who would like at home multimedia theatres with their  30 HDTV , it is best that your digital cameras would also be high in resolution.