Autofocus issue with Sigma 10-20mm? Help!

Started 10 months ago | Discussions thread
banflu
New MemberPosts: 11
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Re: I have come to a different initial conclusion
In reply to Leonard Shepherd, 10 months ago

As you can see I have just posted two sample images, taken from the same place on a tripod.

In both cases I focussed on the same place - on the top left muffin

The non-live view picture shows serious back focussing. And at first I thought this was the problem. But after more testing (as per video) it seems that it does have a back-focussing problem, but it varies - it is inconsistent.

This is another example - all subjects are on the same plane with good contrast and good enough lighting - this picture should not be out of focus!

If you wish i can send the raw pictures by email .. or let me know where I can upload them.

thanks once again

Not live view  - 10mm @ f3.5, 1/30sec, ISO 1250

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