Digital photography - Buying guide II 

The simplest digital cameras are point-and-shoot cameras -- simply aim them and push the button. They are very easy to use and are suitable for people who simply want to take family or vacation snapshots. The disadvantage of point-and-shoot cameras is the lack of control you have over focusing and image adjustment. As you go up the scale to more expensive cameras, you get more of these kinds of options. The simplest point-and-shoot cameras often have a low megapixel rating -- around two megapixels.

Slightly better cameras in the three to five megapixel range usually also have more controls for focusing and image adjustment. Prosumer models are designed for those who are serious about photography but don't have the budget for professional equipment. Professional digital cameras offer the greatest flexibility for capturing digital images. These cameras are the most expensive and can cost several thousand dollars.

There are different types of image sensors, storage cards, batteries, as well as extra features like video and audio recording. Image sensors and lenses are the most important parts of a digital camera for capturing quality images. They are not the only things to consider, though.

Controls

Many of the controls on digital cameras are accessed through a menu system. An easy-to-use menu system is a great benefit to any digital photographer, so this is an important point to consider when shopping around. The menu system should be clearly laid out so that you can access settings such as resolution, flash, and exposure settings. Too many buttons can be confusing and can inhibit the average user from accessing all the features.

Exposure Settings

Exposure settings allow you to adjust the camera for various types of light. Almost all digital cameras have an automatic mode which will do the adjusting for you, but better cameras will give you more control over aperture settings and exposure times. These can give your photos a more professional look, but some people may not be interested in this level of control.

LCD Display

LCD displays allow you to see pictures you have taken. This is essential for deciding which shots to keep and which to discard. The display may also function as a viewfinder allowing you to see how your shot will look before you press the shutter button. Some of the cheapest digital cameras do not have an LCD display.

Video and Audio

Many digital cameras allow you to shoot videos and/or record sound. These features can be handy, but the amount of video that can be captured is quite small compared to a dedicated camcorder.

Software

Some cameras come bundled with image-editing software like Adobe Photoshop Elements or Ulead PhotoImpact. Software is a great way to edit your photos before they are printed. Software packages can cost up to $100 if bought separately so having it included with the camera is a serious buying consideration.

Try Before You Buy

Take a few pictures with a digital camera before you buy it. This will give you a feel for the controls and the ease of use. How does the camera feel? Is it solid or does it seem like a plastic toy? Is the LCD screen easy to view under various lighting conditions? Giving the camera a tryout will answer these questions.