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  2. DxOMark - Wikipedia

    en.wikipedia.org/wiki/DxOMark

    The DXOMARK Lens Score provides ratings for camera lenses, as tested using its proprietary tool-set in combination with various camera models. [8] [10] [17] As with the DxOMark Sensor Score, the DXOMARK Lens Score is an aggregation of five separate sub-scores; namely: sharpness, distortion, vignetting, transmission, and chromatic aberration. [17]

  3. DxO Labs - Wikipedia

    en.wikipedia.org/wiki/DxO_Labs

    DxO FilmPack. Nik Collection. Number of employees. 89 (2021) Website. www.dxo.com. DxO Labs (formerly DO Labs) is a privately owned photography software company. It was founded in 2003 by Jérôme Ménière, [1] former CEO of Vision-IQ. [2] The company's headquarters are in Paris, France.

  4. Sony FE 24-70mm F2.8 GM II - Wikipedia

    en.wikipedia.org/wiki/Sony_FE_24-70mm_F2.8_GM_II

    DxOMark gave a score of 39 points for the Sony FE 24-70mm F2.8 GM II and 32 points for its predecessor, both tested on a Sony A7R IV. The measured sharpness increased from 33 Mpix to 40 Mpix, the measured chromatic aberration decreased from 10 μm to 5 μm, and the distortion (distortion of straight lines in the real world for example ...

  5. List of Micro Four Thirds lenses - Wikipedia

    en.wikipedia.org/wiki/List_of_Micro_Four_Thirds...

    The Micro Four Thirds system (MFT) of still and video cameras and lenses was released by Olympus and Panasonic in 2008; lenses built for MFT use a flange focal distance of 19.25 mm, covering an image sensor with dimensions 17.3 × 13.0 mm (21.6 mm diagonal).

  6. Sony FE 28-70mm F3.5-5.6 OSS - Wikipedia

    en.wikipedia.org/wiki/Sony_FE_28-70mm_F3.5-5.6_OSS

    The Sony FE 28-70mm F3.5-5.6 OSS is a full-frame (FE) variable maximum aperture standard zoom lens for Sony E-mount, announced by Sony on October 16, 2013. [1] [2] It was the first kit lens for Sony's full-frame E-mount (FE) system, [3] and was released on the same day as the Sony α7 and Sony α7R.

  7. Canon EF 28-70mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_28-70mm_lens

    November 1993. (1993-11) The Canon EF 28–70mm f/2.8L USM is an EF mount wide -to- normal zoom lens made by Canon from 1993 to 2002. It was replaced by the 24–70mm f/ 2.8L USM. The original manufacturer's suggested retail price was ¥180000 (equivalent to ¥188,239 in 2019). Among standard zoom lenses, it is known for very good contrast and ...

  8. Perceptual MegaPixel - Wikipedia

    en.wikipedia.org/wiki/Perceptual_MegaPixel

    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 ...

  9. Sigma 30mm F1.4 DC DN - Wikipedia

    en.wikipedia.org/wiki/Sigma_30mm_F1.4_DC_DN

    The Sigma 30mm F1.4 DC DN Contemporary lens is a fixed maximum aperture standard prime lens for Sony E, Micro Four-Thirds, Canon EF-M, and Leica L mounts, announced by Sigma in February 2016. [1] [2] The lens is the mirrorless equivalent of the Sigma 30mm f/1.4 EX DC HSM, a similar lens of a different optical formula optimized for traditional ...

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