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  2. Canon EOS flash system - Wikipedia

    en.wikipedia.org/wiki/Canon_EOS_flash_system

    The EOS flash system is capable of wireless multiple flash control, whereby a master flash unit IR or RF transmitter mounted on the camera body can control up to 3 (optical) or 5 (radio) groups of flash units. The Canon EOS 7D is the first Canon body to be able to control Speedlites wirelessly without the use of a Master Speedlite or IR ...

  3. Canon Speedlite - Wikipedia

    en.wikipedia.org/wiki/Canon_Speedlite

    A Canon PowerShot G11 compact digital camera with a Speedlite 270EX flash mounted. Speedlite is a brand of Canon electronic flashes designed for use with the manual-focus FD system, the autofocus EOS system, and various other cameras such as the Canonet 35mm rangefinders and the PowerShot G series advanced digital compact cameras. [1]

  4. Flash comparison - Wikipedia

    en.wikipedia.org/wiki/Flash_comparison

    0.1 to 3 sec for normal flash, 0.1 to 3 sec for quick flash [38] no [38] The flash foot is easily modified to include a sync connection Lumopro LP120 [39] 30m/100 ft Miniphone+PC 28mm, 50mm, 85mm (manual) 1/1, 1/2, 1/4, 1/8, 1/16, 1/32 no yes yes 6.5 sec (AA-NiMH) Yes Sony HVL-F56AM 56 at 85 mm

  5. Flash (photography) - Wikipedia

    en.wikipedia.org/wiki/Flash_(photography)

    For example, a Nikon D850 has a shutter travel time of about 2.4 ms. [20] A full-power flash from a modern built-in or hot shoe mounted electronic flash has a typical duration of about 1ms, or a little less, so the minimum possible exposure time for even exposure across the sensor with a full-power flash is about 2.4 ms + 1.0 ms = 3.4 ms ...

  6. List of Canon products - Wikipedia

    en.wikipedia.org/wiki/List_of_Canon_products

    1.4 Canon RF 135mm F1.8 L IS USM: 2022-11-02 5.5 stage stabilizer: 135 82 130.3 89.2 935 22 0.7 0.26 Canon RF 200–800mm F6.3–9 IS USM: 2023-11-02 5.5 stage stabilizer: 200 800 95 314.1 102.3 2050 32 54 0.8 3.3 0.25 Canon RF 400mm F2.8 L IS USM: 2021-07-01 5.5 stage stabilizer: 400 52 367 163 2890 32 2.5 0.25 Canon RF 600mm F11 IS STM: 2020 ...

  7. Guide number - Wikipedia

    en.wikipedia.org/wiki/Guide_number

    Here is a step-by-step example of using this formula: Suppose a filter attenuates by 1 1 / 3 f‑stops and the flash device is set to ISO 100. Take 2 and raise it to the power of 1.3333 (using the x y {\displaystyle x^{y}} button on a scientific calculator), which is approximately 2.5198, and then multiply that by 100, which equals about 252.

  8. Hot shoe - Wikipedia

    en.wikipedia.org/wiki/Hot_shoe

    Flash servos and radio triggers, e.g. PocketWizard, can also provide electrical isolation, as trigger and receiver unit are physically separate. The camera is only presented with the low voltage used by the local trigger unit, and the remote receiver unit is designed to tolerate up to 200 volts from its flash port. [ 7 ]

  9. Speedlite - Wikipedia

    en.wikipedia.org/wiki/Speedlite

    Speedlite may refer to: Canon Speedlite , a Canon brand of electronic flashes for their EOS camera system Ricoh Speedlite , a Ricoh brand of electronic flashes