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Digital cameras are handheld electronic devices which capture and store images and sometimes video. Most compact cameras that are available today are digital, meaning that they store image files in a digital format. Digital cameras usually have a built-in screen to provide a preview of the photograph. Types of Digital Camera: Compact Action SLR DSLR Bridge Compact Thermal How do Digital Cameras work?Once you press the button on a digital camera, the light goes through an open aperture and through the camera lens. These light rays are converted into electrical signals by a CCD (charged coupled device) or a CMOS image sensor. These sensors detect the light coming in and store the data as a string of numbers which contains pixel information What happens to an image once I have taken it? Once images have been captured, they can be retrieved by connecting the digital camera to a PC. They are connected by cable or later camera models feature a built-in Wi-Fi connection for image transmission. Alternatively, the camera can be connected straight to a hard drive for storage or a printer. What is DSLR?DSLR stands for Digital Single Lens Reflex. A DSLR camera works by passing light through the lens to a mirror which in turn sends the image to a viewfinder or image sensor. DSLR cameras are usually more expensive than traditional compact cameras and are more popular for professional photography. What is a Bridge Camera?Bridge cameras sit between the compact camera and the DSLR. They often look like a DSLR but do not feature interchangeable lenses. However, they do have manual controls such as speed and aperture.

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Digital Camera, Compact Camera & Compact Digital Camera | RS

Digital Cameras

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