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| Re: Official: Canon EOS 5D Mark III Firmware v1.2.1 |
This is an awesome update for the 5D III
Much needed for those of us with starter nature lenses such as 300mm F4 & 400mm F5.6
400mm F5.6 + 1.4X III will get much use here in sunny NM
From my manual focus testing the Canon 1.4X III outperformed the results I was getting with 3rd party 1.4X TC\'s (Tamron, Kenko). The Canon 1.4X III did not give me the CA, and was sharper over the frame.
Darn, not what I wanted to hear. So by taking six months to remove the 70-300L+1.4x TC III code from the f/8 1DX firmware code, now I have to pay $250 for no particular reason only to get inferior results with my 70-300L (which might become closer to not even worth it perhaps)?