A digital camera takes video or still photographs, or both, digitally by recording images on a light-sensitive sensor. It displays an image on the camera’s screen immediately after it is recorded. It also has the capacity to take thousands of images on a single small memory device. Digital cameras enables you to edit your images and delete it if you want then re-use the storage it occupied. Digital cameras are incorporated into many devices. The Hubble Space Telescope and other astronomical devices are considered as essential specialized digital cameras. It can be classified as video cameras, live- preview digital cameras, digital single lens reflex cameras, digital rangefinders, professional digital camera system and line-scan camera system.
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