Not a sony version, but mine is sharper than that at f.40 and about the same at f/2.8 as your f/4.0 shot. Coincidentally I was doing a series of focus tests last night with my sigma 70-200.
The AP and the ACRO are out of focus because the plane of the sensor is not parallel to the box - try shooting at f9 and I'm they will be back in focus
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