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EOS Bodies - For Stills / Re: EOS 5D Mark III Firmware 1.2.1 Available for Download
« on: May 01, 2013, 01:24:26 AM »...
15. Removed "support" for 3rd party batteries...
16. Removed the unofficial support that was apparently left in the f/8 firmware improvement for the 1DX that let the 1.4x TC III work with the 70-300L (if you keep it at 300mm).(Kinda ironic that they force you to sell your Canon TC and go buy a Kenko it seems or spend an extra $250 for a Kenko and, assuming it is not as sharp, not get the full performance you should be able to and need to get out of the 70-300L. Still hoping that they will put out a 1.2.2 with 'various minor fixes' and they will support this combo unofficially.) I don't have the 1DX but two people are telling me that they see it report as f/8 and work on their 1DX after they put in the f/8 firmware for that body. Canon removed it from the officially reported list (maybe since the TC only fits if you use it on the long end at 300mm) but apparently left the support code in on the 1DX and seemingly removed it
when they took six months to otherwise perhaps copy and paste the code over the 5D3.
Although now 1DX users are telling me it doesn't work in that combo and, even worse, now a 5D3 user says it does't report or work with the Kenko either (hopefully this user was using a different Kenko). I don't know. Maybe I got bad info from people at first. I will try the Kenko myself and see what the real deal is. (if someone gives me a 1dx a will test that too and give a definitive answer
)
(Kinda ironic that they force you to sell your Canon TC and go buy a Kenko it seems or spend an extra $250 for a Kenko and, assuming it is not as sharp, not get the full performance you should be able to and need to get out of the 70-300L. Still hoping that they will put out a 1.2.2 with 'various minor fixes' and they will support this combo unofficially.) I don't have the 1DX but two people are telling me that they see it report as f/8 and work on their 1DX after they put in the f/8 firmware for that body. Canon removed it from the officially reported list (maybe since the TC only fits if you use it on the long end at 300mm) but apparently left the support code in on the 1DX and seemingly removed it 