Re: 800mm f/5.6 + 1D-X + 1.4x Extender = Apparently It Can AF!
Art is right about the chatter. It\'s not something you can hear but a \"chatter\" of the focus before it settles down. My concern is if there might be any damage with long term use.
Sep 01, 2012 at 09:44 AM
Previous versions of Mickey's message #10926804 « 800mm f/5.6 + 1D-X + 1.4x Extender = Apparently It Can AF! »
