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Older power zoom parafocals

Discussion in 'Filmmaking' started by Pyrate, Aug 27, 2014.

  1. Pyrate

    Pyrate Mu-43 Regular

    Aug 1, 2014
    I was reading about adapting older powered zoom lenses on mft bodies. You apparently have to sucessfully adapt tge lens and have a power supply. Does anyone here have any experience with this on gh3s
  2. edmsnap

    edmsnap Mu-43 Veteran

    Dec 20, 2011
    Edmonton, Alberta
    I've never heard of it being done... what lens are you thinking you can do it with?
  3. fortwodriver

    fortwodriver Mu-43 Top Veteran

    Nov 15, 2013
    Toronto, Ontario, Canada
    You mean PARFOCAL?

    Are you referring to old power zooms like the one's for the F3AF and the Olympus Push-button zoom AF SLR lenses? Most of them weren't very good optically. Or something more like a Fujinon Video zoom lens?

    Some of the PZ zooms aren't really parfocal. As you zoom, the camera adjusts the focus by a known amount to compensate. Even so, they recommend you critically focus zoomed in and then zoom out to the desired focal length.
  4. Pyrate

    Pyrate Mu-43 Regular

    Aug 1, 2014
    Yes those are the ones, sorry new to all this rigging up of dslr bodies