Interested to know if you have done the comparison with the 400 f/5.6 neuro. I recently took the 400 f/5.6 and 70-200 f/2.8 II on safari and the 400 was noticeably sharper than my copy of the 70-200 with 2xIII, unless I had the latter at f/8 or smaller.neuroanatomist said:AlanF said:There are several reports, including from Neuro, that the 100-400 is at least on a par with the 70-200 + 2xTC, though he is reviewing that.
Actually, I'm confident that (for my copies, at least) the 100-400L @ 400mm is very slightly better than the 70-200/2.8L IS II + 2xIII in lab-type testing, and the two are not really distinguishable in real-world shots.
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