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 p.1 #1 · 70mm f/2.8/4 comps, three 24-70 II, tam 28-75, 70-300L | |
Best of 7-9 10x liveview focusing attempts each, tripod, stable lighting, etc.
(I definitely note copy variation for 24-70 II copies, center frame 70mm near f/2.8 as well as how they place DOF around the main focal point, each copy looks different. On the plus side, all copies still seem to be better than other such lenses, copy variation notwithstanding. The best 24-70 II at 70mm f/2.8 vs the worst does seem to me to be well into the quite noticeable territory as do where DOF gets placed. But then again even the worst at 70mm f/2.8 is still better than a good copy of the Tamron 28-75mm and probably as good as a typical 70-200 f/4 IS at 70mm f/4. The best 24-70 II at 70mm f/2.8 are crazy there in the center of the frame, I mean clearly beating 70-300L set to 70mm f/4 already when the 24-70 II is wide open at f/2.8 and keep in mind my 70-300L beat two Tamron 70-300 VC at 70mm f/4 and a 70-200 f/4 IS at 70mm f/4 copy so that is really just amazing performance for 70mm f/2.8, I bet it must be at least a match for the 70-200 f/2.8 IS II at 70mm f/2.8 center frame (the 24-70 II do fade more toward the very far edges than the 70-200/300s I think though, although I didn't check the uber copy there).
Anyway what I've seen (and read) doesn't seem to match the Lens Rentals test where they found ultra low copy variation, maybe they got a a tightly coupled batch or Canon knew who that early bunch were going to an hand calibrated each?
But then again, as I said, all that not withstanding, all the copies still, overall, seem to be the best standard zoom performance and all handily beat others in at least quite a few aspects.)
Anyway I rate them (all wide open, f/2.8 or f4, depending upon the lens):
1. 24-70 II Copy N
better than
2. 24-70 II Copy A
a bit better than
3. 70-300L (at f/4)
even moreso better than
3. 24-70 II Copy O
better than
4. a good copy of the Tamron 28-75
(in the past I found the 70-300L copy above better than two Tamron 70-300 VC and even more noticeably better than a 70-200 f/4 IS, the latter was definitely better than the Tamrons at all other focal lengths though)
So two of them do VERY, VERY well near center frame, 70mm, wide open, one doing truly insanely well. The does fine there but nothing amazing for a top lens, not poor though, clearly not uber like the one in particular though, difference definitely can be seen.
Edited on Oct 13, 2012 at 03:06 AM · View previous versions
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