Canon EF 400mm f/5.6L: a simple iris control

Discussion in 'Adapted Lenses' started by Cloudstrewn, Jan 26, 2013.

  1. Cloudstrewn

    Cloudstrewn New to Mu-43

    Jan 23, 2013
    Anyone wanting some easy (and free) control over the aperture of this lens (and maybe other super telephotos) with a micro 4/3 camera may like to see video [ame=]A working iris for Panasonic GH3/Canon EF 400mm lens combination - YouTube[/ame]