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The most common class of battery used in digital cameras is proprietary battery formats. These are built to a manufacturer's custom specifications. Almost all proprietary batteries are lithium-ion. In addition to being available from the OEM, aftermarket replacement batteries are commonly available for most camera models.
The first GoPro Hero, a film camera encased in a waterproof shell. The company was founded by Nick Woodman in 2002. [10] He was motivated by a 2002 surfing trip to Australia, in which he was hoping to capture high-quality action photos but could not because amateur photographers could not get close enough or buy appropriate quality equipment at reasonable prices. [11]
Video converters are computer programs that can change the storage format of digital video. They may recompress the video to another format in a process called transcoding , or may simply change the container format without changing the video format.
The two main types of sensors are charge-coupled devices (CCD)—in which the photo charge is shifted to a central charge-to-voltage converter—and CMOS or active pixel sensors. Most cameras for the general consumer market create color images, in which each pixel has a color value from a three-dimensional color space like RGB .
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Digital Negative (DNG) is an open, lossless raw image format developed by Adobe and used for digital photography.It was launched on September 27, 2004. [1] The launch was accompanied by the first version of the DNG specification, [2] plus various products, including a free-of-charge DNG converter utility.
A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threaded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.
Video demonstration of high-speed flash photography. A flash is a device used in photography that produces a brief burst of light (lasting around 1 ⁄ 200 of a second) at a color temperature of about 5500 K [1] [citation needed] to help illuminate a scene. The main purpose of a flash is to illuminate a dark scene.
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