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Thread: Back Button Focus

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    Question Back Button Focus

    I've set my camera to have the F1 button serve as focus activation. AFL/AEL is set to Mode 3 in custom menu. Is there a way to set separate exposure lock? Setting AFL/AEL to a second button doesn't seem to do it.

    When using the camera in traditional way (Mode 1) I could focus with half push of shutter and exposure lock using the F1 button since that button's designation is AEL/AFL.

    Anyone have experience with this? Any ideas?

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    Re: Back Button Focus

    I see what you're getting at. When using the MF Mode 3 for 'back button focussing' the only way to set exposure is with the shutter button (half press). When I use AF I have the AEL button set for Spot Exposure metering but for the above the Spot Exposure would need to be set first as I don't know of another way to separate the two AEL & AFL. Actually (a bit more useless information), on older (Olympus) DSLR models there was a choice to have momentary AEL or locked (Memo), but that isn't available on the M4/3's models as it is just 'lock' now.
    Ross
    I fiddle with violins (when I'm not fiddling with a camera).
    Cameras: OM-D E-M1 & Mk II, Olympus Stylus 1, OM-D E-M5.
    Lenses: M.ZD40-150mm f2.8 PRO Lens with MC-14, M.ZD12-50, M.ZD60 Macro, M.ZD75-300 Mk II, MMF-3, ZD14-54 II, ZD12-60 SWD, ZD50-200 SWD, EC14, EC20, EX25, Sigma 150mm F2.8 APO Macro DG HSM.
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    Software: Capture One Pro 10 (& Olympus Viewer 3).

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    Re: Back Button Focus

    Thanks for trying :-) I take some comfort in thinking that most of the situations where I shoot continuously, exposure variation between subject and rest of framed scene will be minimal.

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    Re: Back Button Focus. One em1

    I am struggling to set back button focus up on my em1.i have tried setting sf cf and m all in mode 3 , and when I try photograph parachutist flying overhead my camera struggles to focus on them no matter what mode I have camera in
    I would greatly appreciate any advice
    Thanks
    Novice Milton

    Using 40-150mm lens and 1.4 teleconverter

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    Re: Back Button Focus

    Here's a link to a pdf file that has setting up back focus to the fn1 button. I use this method!
    http://www.clintsteed.com/photograph...the%20EM-1.pdf
    Cheers, Rob

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    Re: Back Button Focus

    thanks will try

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