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  2. Flash comparison - Wikipedia

    en.wikipedia.org/wiki/Flash_comparison

    Vivitar 285HV [24] 42m/140 ft ... USB Port (firmware upgrade), Auto zoom, AF-assist beam no List of discontinued models ... Auto Thyristor. Vivitar 550FD 4.5m at ISO100

  3. Vivitar - Wikipedia

    en.wikipedia.org/wiki/Vivitar

    Vivitar Corporation is a manufacturer, distributor, and marketer of photographic and optical equipment originally based in Santa Monica, California. [ citation needed ] Since 2008, the Vivitar name serves as Sakar International's house brand for digital imaging, optics, mobile accessories, and audio products.

  4. Guide number - Wikipedia

    en.wikipedia.org/wiki/Guide_number

    Furthermore, unless a flash device has an automatic zoom feature that follows the setting of a camera's zoom lens, guide numbers do not vary with the focal length of lenses. Note that manufacturers of flash devices may provide guide numbers ratings specified relative to ISO 200, which increases them by the square root of the difference, or a 41 ...

  5. Samyang Optics - Wikipedia

    en.wikipedia.org/wiki/Samyang_Optics

    Samyang Optics is a South Korean manufacturer of camera lenses for several major brands of third-party mounts for still photography and video cameras.The company was founded in 1972 and has about 150 employees.

  6. Slender Man stabbing assailant to be released from mental ...

    www.aol.com/slender-man-stabbing-assailant...

    Morgan Geyser, one of the two assailants in the 2014 Slender Man stabbing case, will be released from a mental health facility, a judge ruled Thursday. Waukesha County Circuit Judge Michael Bohren ...

  7. Thyristor - Wikipedia

    en.wikipedia.org/wiki/Thyristor

    A thyristor (/ θ aɪ ˈ r ɪ s t ər /, from a combination of Greek language θύρα, meaning "door" or "valve", and transistor [1]) is a solid-state semiconductor device which can be thought of as being a highly robust and switchable diode, allowing the passage of current in one direction but not the other, often under control of a gate electrode, that is used in high power applications ...

  8. Deion Sanders issues warning to NFL teams: Why they should ...

    www.aol.com/deion-sanders-issues-warning-nfl...

    Colorado head coach Deion Sanders issued a warning to NFL teams Friday − don’t draft Heisman Trophy winner Travis Hunter if you won’t let him play both ways.. Sanders said this on "The Rich ...

  9. Harvey Fierstein Lost 120 lbs. on Zepbound: 'Being Fat Is Not ...

    www.aol.com/harvey-fierstein-lost-120-lbs...

    After gaining weight during the Covid-19 pandemic, Harvey Fierstein says that he’s now lost 120 lbs., — all thanks to weight-loss medication. In typically irreverent Fierstein fashion, the ...

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