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Perceptual MegaPixel
The Perceptual MegaPixel (P-MP) is a proprietary ranking of lens-camera combinations, created by DxO Labs. It is intended to express the resolution of which a combination of camera and lens is capable. Complete scientific or technical documentation of the process used to compute P-MP values has never been published, and P-MP measurements have never been made without the cooperation of DxO Labs. The name of the measurement is a trade mark A trademark (also written trade mark or trade-mark) is a type of intellectual property consisting of a recognizable sign, design, or expression that identifies products or services from a particular source and distinguishes them from oth .... The P-MP meant for photographers to consider when comparing the sharpness of a combination of camera and lens. DxO Labs claims that P-MP is a more accurate and relevant value for photographers to consider when weighing-up camera sharpness. As of March 2017, the "Canon EF 300mm f/2.8L IS II USM" l ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
DxO Labs
DxO is a French company dedicated to photography. Founded in 2006, it is located in Boulogne-Billancourt. It markets DxO PhotoLab, ViewPoint, and FilmPack image processing software and a connected camera, the DxO ONE. History DxO created DxOMark.com, which provides image quality ratings for standalone cameras, lenses, and mobile devices that include cameras. However it has spun off from them, DxOMark Image Labs. On October 25, 2017, DxO announced the acquisition of the Nik Collection assets from Google. Products DxO PhotoLab DxO PhotoLab is software which corrects various optical aberrations, notably image distortion, with corrections tuned to particular lenses and cameras. It also adjusts lighting and color rendering. The software reads the Exif file to gather information about the camera, the lens and the settings that were used. Its automatic optical adjustment can fix: * Distortion of curved line (should be straight) * Color fringes * Light fall off of vignetting * Make s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |