Stay balanced: master using flash with manual shooting mode

    | Photography Tutorials | Tutorials | 08/08/2012 15:00pm
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    Using flash guns offers an effective illumination for foreground objects, but when these are correctly exposed, background areas can look dark. The trick is to learn how to balance the flash output with ambient light.

    Master using flash with manual shooting mode to balance with ambient light

    A slow-sync flash setting provides a more balanced exposure, minimising the dark backdrops common when using a flashgun in dull lighting conditions

    Many SLRs offer a slow-sync flash mode, which combines flash with a slow shutter speed to give a balanced exposure. With Canon cameras, you can do the same by switching to av (aperture-value) shooting mode when using flash.

    Master using flash with manual shooting mode to balance with ambient light

    Background detail is thrown into darkness

    To fine-tune the balance, apply exposure compensation in the camera to brighten or darken the background area, then apply flash exposure compensation to adjust the foreground brightness.

    Slow-sync flash can result in slow shutter speeds, so camera shake can become a problem. Increase your ISo, typically to between ISo400 and ISo1600, to enable faster shutter speeds. For ultimate control, switch to manual, as detailed below.

    How to balance flash using manual mode

     

    Master using flash with manual shooting mode to balance with ambient light - switch to manual mode

    Step 1: Switch to manual
    Switch to manual shooting mode and dial in the correct aperture and shutter speed combination for the ambient lighting conditions, using your camera’s exposure scale as a guide.

    For more on how to use your shooting modes, see Dial M for… Your exposure modes exposed.

     

    Master using flash with manual shooting mode to balance with ambient light - increase the ISO

    Step 2: Increase the ISO
    To avoid camera shake, increase the sensitivity setting so that you can get a sufficiently fast shutter speed. otherwise the flash-lit foreground will be sharp, but the background may be blurred.

    Learn more about how to know when to increase ISO.

     

    Master using flash with manual shooting mode to balance with ambient light - adjust the flash

    Step 3: Adjust the flash
    Adjust the aperture or shutter speed to set the brightness of the background. To govern the brightness of the foreground, increase or decrease the manual flash power setting on the flashgun.

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    Posted on Wednesday, August 8th, 2012 at 3:00 pm under Photography Tutorials, Tutorials.

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