hienz wrote in post #12836902
Any opinions with the new pictures provided?
At normal "fill-the-screen size" on my monitor they look just fine - but that's resized to appear 1920x1200, a lot less pixels than 100%. When blown up full-size I can see the issues you are concerned about.
I only looked at four of the images so far, but:
The shot at f/3.5 does seem to have more softness on the right side of the image compared to the left (and the image certainly gets softer overall towards the corners and sides, as one might expect from such an open aperture).
The shot at f/8 seems to clear up a lot of that, and seems more even overall.
The shot at f/16 seems a little softer in the center compared to f/3.5, which makes me suspect you didn't get the focus exact - if you focused once at f/3.5 and then just changed aperture, you won't necessarily maintain focus - you have to refocus each time. If that was the case, then next time re-focus at each aperture. And the right side actually seems a bit more in focus compared to the rest of the image...which means you probably do have a decentering/focal plane issue evidenced by the right-side softness if center-focused.
The shot at f/22 is soft overall, hard to tell if one side worse than the other - again perhaps due to not re-focusing for each aperture?
At any rate, you do seem to have a very mild case, and if you are unhappy you should have no qualms returning the lens or attempting to get it serviced under warranty.
IMHO, what do I know, I'm still a newbie,