Saturday, October 19, 2013

Digital Cameras Informations about Says MataElectronics

Digital Cameras Informations : A digital camera is a camera that stores pictures on a memory card instead of film. Because of this, a digital camera can hold many more pictures than the traditional film camera. A digital camera can sometimes hold hundreds of pictures. Different size memory cards are sold, that can hold more or fewer pictures. Most digital cameras can use a USB cable that connects into a computer to take the pictures that are in the camera and send them to the computer. Digital photography is a kind of photography where a digital camera is used to take photos. Digital cameras use an image sensor instead of photographic film, based on chemicals. Very often, they also use a memory card to store the photos in a digital format. Most photography is digital, though some photographers still use the old film cameras. The majority of cameras are part of a mobile phone, called a "camera phone". They can send their pictures to other phones and other devices. Most camera phones do not make as good pictures as larger separate cameras do, especially where light is not bright. Most digital cameras can serve as Video cameras. Some have a direct link to another computer where the data may be stored. Digital and film cameras share an optical system, typically using a lens with a variable diaphragm to focus light onto an image pickup device.[3] The diaphragm and shutter admit the correct amount of light to the imager, just as with film but the image pickup device is electronic rather than chemical. However, unlike film cameras, digital cameras can display images on a screen immediately after being recorded, and store and delete images from memory. Many digital cameras can also record moving video with sound. Some digital cameras can crop and stitch pictures and perform other elementary image editing.

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