The next generation of digital cameras have higher and higher resolutions as consumers are looking for detail and color accuracy in their
images. Older digital technology used under 2.0 megapixels.
Since film is not used in digital photography, the images are stored on internal disks in the camera. Most mid-priced digital cameras do not contain very much storage space and this requires users to download their pictures to their computer before snapping more shots.
More memory can be added to the interior of the camera, just like in a computer. A less expensive method is to add memory by using a small card that pops into the camera. These disks can be purchased with capacities between 64MB all the way up to 2 gigabytes. Larger disks can hold hundreds of pictures at their highest quality!
Digital cameras come with an assortment of options and features. Some digital cameras can use wide-angle and telephoto lenses for added flexibility. Also when buying a digital camera, it is important to look at how easily the photos can be off loaded to a computer for storage or sharing and how easy they are to print. Some digital cameras come with docking systems that easily transfer the digital images to the computer. The images can then be modified using special editing software, stored to the hard drive or CD-ROM and even emailed.
Many Digital cameras come with image editing software, and as a starting point it is often worth trying it out. If you have a Mac you should look at iPhoto which comes free from Apple - a well thought out piece of software that makes it easy to get into the world of digital photography. Do consider carefully just how much time you want to devote to learning and using software for editing and printing your digital photos.
Batteries and battery life are of prime importance with digital cameras. Look for a camera that gives you longer battery life. Some cameras come with rechargeable batteries. When buying a digital camera, you should also plan to buy a battery charger and extra batteries, or an extra battery pack as well. Since downloading photos to the computer poses a considerable drain on the batteries, it may be smart to consider purchasing an AC adapter to use for downloading or when you are near an electrical receptor.

