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VGA
Stands for Video Graphics Array, and is the lowest resolution that computers will normally use to display an image. The picture size is 640x480 pixels, and is used by many cheaper digital cameras and web cams. Some digital cameras use even smaller image size called half-VGA, which is 320x240 pixels. Both these sizes will only print to photographic quality at a very small size. read more…
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viewfinder
Viewfinder -Whilst many small compacts now no longer have a viewfinder and the photo composition is achieved using the LCD screen. On some compact cameras, bridge or prosumer cameras and SLR cameras still have viewfinders. There are two types of viewfinders, optical (lens based) and electronic (minature LCD) Like a video camera, some viewfinders contain a miniature TV monitor showing what the camera sees. This usually uses less power that the LCD screen on the back of the camera, but can be a... read more…
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Vignetting
Vignetting - Fading off the sides of a picture into plain white or black instead of having abrupt edges. Also unintentional loss of brightness at the edge of the image. Wide angle lenses are particularly susceptible. However, the problem can be more or less avoided by removing the elements causing the effect, such as a filter with a frame that is too large or ill-fitting lens hood . read more…
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VR
Vibration Reduction - Nikon's name for image stabilisation. There are a number of different methods of image stabilizer but they all aim to achieve the same thing, a clearer, sharper image. The key advantages are when using a large zoom, especially at the full extent of the zoom and in low light conditions. read more…
