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pana/leica 25mm 1.4 not focusing during video on Olympus body

Discussion in 'Native Lenses' started by aphasiac, May 27, 2016.

  1. aphasiac

    aphasiac Mu-43 Regular

    162
    Oct 18, 2015
    Taiwan
    My new Panasonic 25mm 1.4 doesn't focus when filming a video using C-AF mode on the EM10II. Bought it to replace the slow 20/1.7, which was slow and noisy but at least usable!

    Anyone successfully using this lens for video on an Olympus body, with continuous auto-focus? I wonder if it's a bug with the camera.
     
  2. wjiang

    wjiang Mu-43 Hall of Famer

    My E-M1 with the previous firmware version would occasionally just give up on C-AF in video with any lens (I have various Panasonic and Olympus lenses). Latest firmware seems better but I'm still a bit suspect.
     
    • Appreciate Appreciate x 1
  3. aphasiac

    aphasiac Mu-43 Regular

    162
    Oct 18, 2015
    Taiwan
    ok after experimenting, found out it's to do with bad light.

    Sitting at my desk in dim lighting caused the problem; works fine in better lighting. Conversely, the 20/1.7 and the olympus 12-50 (my usual go-to for video due to the power zoom) focused fine.

    Bit annoying as i thought 1.4 would be a huge advantage in terms of focus! will experiment a bit more.