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  2. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]

  3. Distortion (optics) - Wikipedia

    en.wikipedia.org/wiki/Distortion_(optics)

    The Micro Four Thirds system cameras and lenses perform automatic distortion correction using correction parameters that are stored in each lens's firmware, and are applied automatically by the camera and raw converter software. The optics of most of these lenses feature substantially more distortion than their counterparts in systems that do ...

  4. Chromatic aberration - Wikipedia

    en.wikipedia.org/wiki/Chromatic_aberration

    In optics, chromatic aberration ( CA ), also called chromatic distortion and spherochromatism, is a failure of a lens to focus all colors to the same point. [1] It is caused by dispersion: the refractive index of the lens elements varies with the wavelength of light. The refractive index of most transparent materials decreases with increasing ...

  5. Canon AE-1 Program - Wikipedia

    en.wikipedia.org/wiki/Canon_AE-1_Program

    87 × 141 × 47.5 mm. Weight. 575 g. Made in. Japan. The Canon AE-1 Program is a 35 mm single-lens reflex camera that uses Canon's FD mount lenses. It was introduced in April 1981 as the successor to the Canon AE-1, five years after that camera 's introduction. [1] The major difference was the addition of the Program AE mode first seen in the A-1.

  6. DxO ViewPoint - Wikipedia

    en.wikipedia.org/wiki/DxO_ViewPoint

    Website. www .dxo .com /dxo-viewpoint /. DxO ViewPoint is image geometry and lens defect correction software developed by DxO. It is designed to automatically straighten distorted perspectives caused by the lens used and the position of the photographer.

  7. Canon EOS 7D Mark II - Wikipedia

    en.wikipedia.org/wiki/Canon_EOS_7D_Mark_II

    The Canon EOS 7D Mark II is a professional digital single-lens reflex camera made by Canon. It was announced on September 15, 2014 with a suggested retail price of US$1,799. It features a 20.2 effective megapixel APS-C CMOS sensor, Full HD video recording at 60 fps, 10.0 frames per second continuous shooting, a 100% accuracy viewfinder that offers 1× magnification.

  8. Researchers say they've built an AI-powered sarcasm detector

    www.aol.com/finance/researchers-theyve-built-ai...

    A scene from the sitcom "Friends" featuring Matthew Perry as Chandler Bing, Matt LeBlanc as Joey Tribbiani and David Schwimmer as Ross Geller was included in the AI sarcasm detector training dataset.

  9. Red-eye effect - Wikipedia

    en.wikipedia.org/wiki/Red-eye_effect

    Red-eye effect seen on a teenager. The red-eye effect in photography is the common appearance of red pupils in color photographs of the eyes of humans and several other animals. It occurs when using a photographic flash that is very close to the camera lens (as with most compact cameras) in ambient low light.

  10. Bayer filter - Wikipedia

    en.wikipedia.org/wiki/Bayer_filter

    A Bayer filter mosaic is a color filter array (CFA) for arranging RGB color filters on a square grid of photosensors. Its particular arrangement of color filters is used in most single-chip digital image sensors used in digital cameras, and camcorders to create a color image. The filter pattern is half green, one quarter red and one quarter ...

  11. Flat-field correction - Wikipedia

    en.wikipedia.org/wiki/Flat-field_correction

    Flat-field correction ( FFC) is a digital imaging technique to mitigate the image detector pixel-to-pixel sensitivity and distortions in the optical path. It is a standard calibration procedure in everything from personal digital cameras to large telescopes.