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AF assist onboard 40D flash

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    CHRISB911
    CHRISB911  854 forum posts1 Constructive Critique Points
    24 Jan 2010 - 4:21 PM

    Can you use af assist to help auto focus in very low light ie landscapes at nite or would be no use at all, to use af assist what would you have to do in the custom menu sec 40d. I see there is an enable a disable and only ext flash unit so how would i just use the af beam but not the flash
    thanks for listening
    chris

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    lawbert
    lawbert  71713 forum posts England15 Constructive Critique Points
    24 Jan 2010 - 5:52 PM

    Hi Chris
    I dont see your idea working as the range of the flash is very limited, I would suggest a tripod and manual focus for night time lanscapes as you will still have a very long shutter speed with or without flash af assist.
    hth paul

    marc484ie
    marc484ie  731 forum posts Ireland1 Constructive Critique Points
    24 Jan 2010 - 6:42 PM

    Quite true paul

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