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  2. Video camera tube - Wikipedia

    en.wikipedia.org/wiki/Video_camera_tube

    Video camera tubes were devices based on the cathode-ray tube that were used in television cameras to capture television images, prior to the introduction of charge-coupled device (CCD) image sensors in the 1980s. Several different types of tubes were in use from the early 1930s, and as late as the 1990s. In these tubes, an electron beam was ...

  3. 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]

  4. High-speed photography - Wikipedia

    en.wikipedia.org/wiki/High-speed_photography

    Muybridge's photographic sequence of a race horse galloping, first published in 1878.. High-speed photography is the science of taking pictures of very fast phenomena. In 1948, the Society of Motion Picture and Television Engineers (SMPTE) defined high-speed photography as any set of photographs captured by a camera capable of 69 frames per second or greater, and of at least three consecutive ...

  5. Four-tube television camera - Wikipedia

    en.wikipedia.org/wiki/Four-tube_television_camera

    The four-tube television camera, intended for color television studio use, was first developed by RCA in the early 1960s. [1] [2] : 96 In this camera, in addition to the usual complement of three tubes for the red, green and blue images, a fourth tube was included to provide luminance (black and white) detail of a scene.

  6. Professional video camera - Wikipedia

    en.wikipedia.org/wiki/Professional_video_camera

    A professional video camera (often called a television camera even though its use has spread beyond television) is a high-end device for creating electronic moving images (as opposed to a movie camera, that earlier recorded the images on film ). Originally developed for use in television studios or with outside broadcast trucks, they are now ...

  7. EMI 2001 - Wikipedia

    en.wikipedia.org/wiki/EMI_2001

    EMI 2001. EMI 2001s on their last day in BBC Elstree Centre Studio C in July 1991. The last programme in the world to use EMI 2001s to record images was EastEnders. The EMI 2001 broadcast studio camera was an early, very successful British made Plumbicon studio camera that included the lens within the body of the camera.

  8. 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 ...

  9. If your toddler had a motivational podcast, this is what it ...

    www.aol.com/news/toddler-had-motivational...

    Earlier this year, Champagne, who soared to internet stardom with his side-splitting videos about parenthood, launched a series called “Toddler Motivational Podcast.”. “My feed was full of ...

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