Paul,
You can see it pretty easily if you do this test:
- Put the lens in to AF mode and focus on something in the distance that is bright and has a lot of contrast (eg a telegraph pole or tree sillouetted against the sky).
- Then switch to manual focus and take a shot with the subject in one corner, one in the center and the one in the opposite corner.
- Examine the results in the preview screen at max magnification. If you see one side and centre are in focus and the other side is blurred you have decentering - try another lens or take it back to be replaced! Next time I'd problably take a laptop along to the store.
Terry
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