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  1. #1
    Junior Member

    Manual focus shifts at on/off

    Hey folks, new user and camera novice here.

    I'm using a D7100 with the AF-P 18-55mm f/3.5-5.6G DX VR lens to shoot video. Just stationary talking head stuff in my home office, manual focus only ... as near as I can tell. When I shut the camera off and turn it back on between taking breaks, my scene is out of focus and I have to readjust the focus ring. Certainly not ideal for editing separate clips together, especially if using jump cuts and such.

    I've Googled the holy heck out of the problem and can't find anything that fits the description of my problem, let alone a solution.

    Any ideas?

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  2. #2
    Senior Member
    Bikerbrent's Avatar

    Re: Manual focus shifts at on/off

    Welcome aboard. Enjoy the ride.
    We look forward to seeing more posts and samples of your work.

    I don't do video, so can't help you, but I am sure someone will be along shortly.
    Brent: Poway, CA
    D7200, D200, F100
    Tokina 12-24mm
    Nikon 18-200mm
    Tokina 28-70mm f2.6-2.8
    Nikon 80-200mm f2.8
    Sigma 150-600mm
    Nikon 50 AF f1.8
    Tokina 100mm f2.8 Macro
    Nikon SB800

  3. #3
    Senior Member
    mikew's Avatar

    Re: Manual focus shifts at on/off

    Welcome to the forum, cant help with your problem though.


    Olympus EM1MK11,Panasonic G80, 12-60mm, 60mm macro, Leica 100-400mm

    Nikon 1 V2,FT-1,10-30mm 30-110mm Viltrox extension tubes

  4. #4
    Super Mod
    hark's Avatar

    Re: Manual focus shifts at on/off

    The lens you listed is an AF-P lens. According to Nikon's compatibility chart, that lens mounted on a D7100 will be limited to manual focus. The older bodies don't support AF with AF-P lenses.

    and My 2019 Thread

    Where the Spirit does not work with the hand, there is no art
    -- Leonardo da Vinci

  5. #5
    Senior Member

    Re: Manual focus shifts at on/off

    Check out the instruction sheet for that lens. I can't cut and paste, but there is a note in there under Focus section saying users of d7100 (and others) will experience a change in focus position if the standby timer expires and restarts. They suggest increasing the standby timer for manual focus shooters and in other situations where the timer might expire before you shoot.

    I must have a really good camera.

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