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• Digital Photography Home
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  • Advantages of Digital Photography
    Digital technology is finding a place in almost everyone's lives. From digital music to digital movies we are constantly exposed to images and sound that have passed from the traditional analog domain into the new digital formats. Digital photography is one of those formats and is becoming more popular every year.
    
    
  • Aperture
    Digital photographs are the result of light hitting the image sensor. Too much light and the photograph will be washed out. Too little light and the photograph will be too dark. The shutter determines how much light enters the camera, and there are two settings which are related to the shutter -- aperture and shutter speed.
    
    
  • Batteries for Digital Cameras
    Digital cameras are electronic devices so they need a power source of some kind. The most convenient way to power your camera is with batteries. Although some models can be connected directly to an AC outlet, this is impractical for anything but studio use.
    
    
  • Camera Tripods
    Tripods are a necessity for anyone who wants to take the best pictures possible. They are useful for many different situations by helping to minimize camera movement which can cause an image to blur.
    
    
  • Classic Photography vs Digital Photography
    Even though digital photography is a revolutionary new way to take pictures, it is very much based on traditional photography and uses many of the same principals. Both types of photography require a lens to focus the light and a shutter to allow the light to enter the camera. The main difference between digital and traditional photography is how the image is captured.
    
    
  • Colour Balancing
    The human eye can easily adapt to different light conditions so that objects maintain their 'true' colour. If we look at a blue ball, for example, we see the same shade of blue indoors and outdoors and under cloudy or sunny conditions.
    
    
  • Digital Camera Buying Guide Part One
    Are you ready to take the plunge into the world of digital photography? This series of articles will help you choose the best camera for your needs.
    
    
  • Digital Camera Buying Guide Part Two
    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 downside to 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.
    
    
  • How a Digital Camera Works
    Digital cameras are quite similar to traditional cameras in their operation. They both have a lens to focus the image, a shutter to allow light inside the camera, and an aperture to control the amount of light which enters the camera.
    
    
  • Image Storage
    Traditional photography uses film as a storage medium. When one film is used up, simply take it out and pop in a new one. The film is eventually developed and the stored images printed. Digital photography also has a form of removable storage - memory cards. The advantage of these cards over film is that they can be erased and reused. Images stored on memory cards can be transferred to a computer for further processing and permanent storage, or they can be transferred directly to a printer. Memory cards are not the only medium for image storage, but they are the most common. Other storage media include removable hard drives and optical disks.
    
    
  • Imaging Problems Part One
    Many people have unrealistic expectations of digital photography. They may believe that digital photographs are 'perfect' in terms of colour and detail. In fact, many problems can occur -- some of them are an inherent part of the digital domain, while others can be caused by incorrect settings on the camera.
    
    
  • Imaging Problems Part Two
    Noise is the most troublesome imaging problem but it is not the only one. Other problems related to colour, contrast, detail and sharpness may also be experienced.
    
    
  • Lenses for Digital Cameras
    There are two major components of digital cameras that play a big part in image quality the image sensor and the lens. Get the best you can afford -- good quality lenses are essential for getting the most out of digital photography.
    
    
  • Lighting
    A photograph is essentially a record of the light conditions at a certain point in time and space. We recognize the patterns of colours and shapes in a photograph because they resemble what we see in daily life. Light is so common that we take it for granted, but the photographer (and the painter) needs to be attuned to the subtlety of light in order to make effective pictures.
    
    
  • Preview Screens and Viewfinders
    Traditional cameras use viewfinders which allow you to set up your shot and, in the case of Single Lens Reflex (SLR) cameras, focus your subject. Viewfinders can also be found on digital cameras, but in addition, almost every digital camera is equipped with a LCD preview screen.
    
    
  • Printing Digital Images Part One
    Digital photography has put the process of developing pictures into the hands of the consumer. This also includes printing -- anyone with a decent printer attached to their computer can print out their own photographs.
    
    
  • Printing Digital Images Part Two
    Most people who own a computer have a printer that goes along with it, and this printer is most likely capable of printing out digital pictures. Here are a few tips to get the best results when printing your own photographs.
    
    
  • Shutter Speed
    A camera shutter is a mechanical device which permits light to enter the camera body for a specified period of time. The longer the shutter is open the more light enters the camera.
    
    
  • Transferring Images
    After you have taken enough photos to fill out up your memory cards you need to transfer them to a computer or printer. There are several ways to do this.
    
    
  • Using Flash
    Automatic flash is a great tool for solving common lighting problems, but unless used with care it can create some problems of its own.
    
    
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