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| p.4 #10 · Canon 24-70mm f/2.8L II reviewed by Photozone |
I like photozone's charts, but the scores are a bit arbitrary. It seems they value corner to corner evenness more than anything, and they just tack a star rating based on their gut feeling. My guess is they didn't write a glowing review due to the sticker shock.
Yeah, I believe he gave the 24 1.4 II a less enthusiastic and lower rating, or at best identical, than the 24-105, which is utterly blow away at 24mm, jsut because the extreme corners were total mush as f/1.4! Well what 24mm has extreme corners that are not total must at f/1.4, I'd like to see it.
Yeah probably the sticker shock.
But his plots generally seem to be pretty decent, obviously lens copies will vary and testing is tricky, but overall his results generally seem to be some of the most reasonable to me for the most part (there was the 300 2.8 IS score worse than the 70-300 non-L and 300 f/4 but they removed that years ago, they had also tested it outdoors in a different way than the others).
One thing to note, that had me tricked for a long time, is check out the page where he shows where he measures center, border and extreme, unlike other sites this guys measurements really are far out there, extreme is way in the corners where it almost doesn't matter much for almost any lens (of course you'd like it to be nice there too, but in the end, I'd almost say who cares about any of his extreme scores, and that is the one place the 24-70 II falls behind) and his border results are borders heading towards corners so they are perhaps even a trace farther from center than even extreme middle left edge so I think they tell all the story that needs to be told and I've decided to only note his center and border scores and ignore his extreme scores, even for landscapes, the extreme scores seem only a trace relevant IMO, a trace, so forget them.
If you look at the numbers I posted for how it does center and edge it really looks pretty good, truly amazing at 24mm, actually scoring higher than most primes.