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Consensus on 24-70/2.8 II field curvature at infinity focus?

Started Sep 14, 2013 | Discussions thread
Shirozina Contributing Member • Posts: 736
Re: Much ado about nothing

Just gone through 3 copies of this lens before I realized they were not faulty but it was the optical design. I've tested it on my A7rIV and S1 and while 61mp will expose any slight flaw in a lens 24mp should be more forgiving but it was still obvious. The 35mm setting seems to be the worst and compared to my 16-35 F4 at 35 it's woefully poor. I've tried different adapter thicknesses but it didn't make any real difference. I could try focusing away from the center to get a balance along he focus field but I suspect this will be a compromise at best. I'm going to try the F4 version to see if it's any better? I reckon it's optimized for close to medium focus distances and possibly to perform optimally on test targets.

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