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| p.8 #17 · Canon 5D Mark III firmware update in April 30th 2013! |
No, you'd be comparing 70-300 + 1.4x with 100-400 without a TC.
No I'm comparing the concept of using a TC on either. They are NOT the same lens, the 100-400L is much larger and not as crisp and doesn't go as wide they are not the same lens. One may be better overall for one person and not another. I'm saying why does he laugh off how stupid it is to want to use a 1.4x TC III on the 70-300L and get AF on the 5D3 but then praise to the heavens that he now gets f/8 AF with his 100-400 + TC on the 5D3
That's pretty ridiculous.
I'm not laughing off and saying it is worhtless that he gets f/8 AF with his 100-400L+TC now. That's awesome.
Do people laugh off using a TC with the 70-200s?? No? Then what the heck is wrong with wanting to use one at times on a 70-300L?
I see people asking about TC + 70-300L on various forums all the time, it's not some crazy freakish concept.
if they don't unlock it and make the f/8 firmware for the 5D3 work like it does on the 1DX then people will have to spend an extra $250 and toss that down the drain to get a kenko (or simply dumo their canon stuff and get kenko alone, but then not have the higher quality TC for their big primes, if they have any) AND also get worse IQ out of the combo and IQ is at a premium when putting TCs on zooms. It's not such a HORRIBLE and LAUGHABLE thing to hope the firmware will end up unlocking f/8 with that combo (as happened with the 1DX f/8 firmware).
(It is great that it is at least gonna work with the Kenko now, regardless of how foolish it is to use a 1.4x TC on the 70-300L of course.)