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Digital Photography Review, also known as DPReview, is a website about digital cameras and digital photography, established in November 1998. [4] The website provides comprehensive reviews of digital cameras, [4] lenses and accessories, buying guides, [4] user reviews, [4] and forums for individual cameras, as well as general photography forums.
Compared to film, digital cameras are capable of much higher speed (sensitivity to light) and can perform better in low light or very short exposures. The effective speed of a digital camera can be adjusted at any time, while the film must be changed in a film camera to change the speed. [citation needed]
The DXOMARK Sensor Score measures several important image quality metrics of the RAW image [8] captured by the camera 's sensor. [9] The overall score is a confidential combination of three sub-scores: [9][10] Colour depth, measured in bits, called a Portrait score; Dynamic range, measured in stops of dynamic range, called a Landscape score;
Image quality can refer to the level of accuracy with which different imaging systems capture, process, store, compress, transmit and display the signals that form an image. Another definition refers to image quality as "the weighted combination of all of the visually significant attributes of an image". [1]: 598 The difference between the two ...
The image would be a very low quality image (72ppi) if printed at about 28.5 inches wide, but a very good quality (300ppi) image if printed at about 7 inches wide. The number of photodiodes in a color digital camera image sensor is often a multiple of the number of pixels in the image it produces, because information from an array of color ...
Digital photography spans a wide range of applications with a long history. Much of the technology originated in the space industry, where it pertains to highly customized, embedded systems combined with sophisticated remote telemetry. Any electronic image sensor can be digitized; this was achieved in 1951.
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