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High Efficiency Video Coding (HEVC, ITU-T H.265) [14] is an encoding format for graphic data, first standardized in 2013. It is the primarily used and implied default codec for HEIF as specified in the normative Annex B to ISO/IEC 23008-12 HEVC Image File Format . While not introduced formally in the standard, the acronym HEIC (High-Efficiency ...
The format was briefly revived by Lucasfilm in the late 1970s for special effects work that required a larger negative size (due to image degradation from the optical printing steps necessary to make multi-layer composites). It went into obsolescence largely due to better cameras, lenses, and film stocks available for standard four-perforation ...
Digital photography uses cameras containing arrays of electronic photodetectors interfaced to an analog-to-digital converter (ADC) to produce images focused by a lens, as opposed to an exposure on photographic film. The digitized image is stored as a computer file ready for further digital processing, viewing, electronic publishing, or digital ...
Photographic lenses were sold initially with the G. Rodenstock brand. A 1912 catalog lists Eurynar double-anastigmat lenses with focal lengths ranging from 3 + 1 ⁄ 2 in (89 mm) to 19 in (480 mm) for various formats with maximum apertures of f /6.8; similar Eurynar lenses were offered with maximum apertures of f /5.4 and f /4.5.
The Joint Photography Experts Group standard (JPEG) is the most common file format for storing image data. Other file types include Tagged Image File Format and various Raw image formats. Many cameras, especially high-end ones, support a raw image format. A raw image is the unprocessed set of pixel data directly from the camera's sensor, often ...
In digital photography, the image sensor format is the shape and size of the image sensor . The image sensor format of a digital camera determines the angle of view of a particular lens when used with a particular sensor. Because the image sensors in many digital cameras are smaller than the 24 mm × 36 mm image area of full-frame 35 mm cameras ...
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