Recent Content by EMac

  1. EMac
    Thread

    More autofocus issues

    I recently bought an extender EF 1.4 III to use with my 100-400 L IS telephoto lens. My camera is an EOS 600D. The autofocus works well with the...
    Thread by: EMac, Apr 28, 2017, 3 replies, in forum: Technical Troubleshooting