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p.2 #6 · p.2 #6 · 3 different metabones on A7r and still soft edges | |
soboyle wrote:
It is odd and more than frustrating.
It could be that B&H is cycling the returns back out again, although I haven't received the same one back from them. Yet.
My testing has been tripod mounted, manual focusing on a consistent spot. Have tried various distances, from infinity to close up. Like the center of the canon, but the edges are consistently bad. Doesn't match other users experience so can only think it's the adapter. Maybe I'll look for a used III.
Then its either i) misalignment of 24-70 or a7r, ii) field curvature of 24-70 sony vs canon, or ii) lens correction applied to sony but not canon, iv) something wrong with your 24-70, or v) the canon 24-70 is not as good as you thought it was. See my post above.
If you have ts24, that would be a better test.
I suspect ii - v, since you have tried 3 different copies and my experience with the 2 I have bought (1 for tripod and 1 for handheld) is 100%.Hardware problems are unlikely given that you manually focussed.
Edited on Dec 22, 2014 at 11:56 AM · View previous versions
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