Focussing problems with Sigma 10-20mm f3.5

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onlooker

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Hello everyone
This is my first thread!

I have been using my Sigma 10-20mm f3.5 for about a month now (mounted on a Canon 60D) and it was all working fine. But I recently encountered a strange problem when using the AF. The lens wont focus to infinity when I use the LCD display resulting in a blurred image. However, there doesnt seem to be a problem with the AF when the viewfinder is used. This seems to be case for all three focussing modes (live mode, 'L' live mode and Quick mode).

Has anyone had this problem before or could anyone help please?
 
Don't know anything about Canon focus modes as I use a Nikon, but I do have a Sigma 10-20 ...... and have had no problems with it at all.

Have you tried the lens on another body, if possible?
or
Tried another lens on your 60D?

Most camera stores will let you try it if you explain the problem to them.

Only a thought, but are the electrical connections on the lens mount and lens clean?

Some of the Canon users on here will be able to help you out far better than I could!
Do a search for Sigma 10-20 or Canon 60D and drop a post in whatever you find.

Good luck ......... hope you get it sorted! :thumbs:
 
Hi

As above really, have you tried the live view with another lens, have you been able to check the lens on another body - just to make sure lens works okay. Have you tried live view previously ?

I'm not aware of the AF options for the 60D live view, but have you tried a different AF option for the live view ?

I'm not aware of a live view issue, but have you got the latest firmware on your body.
 
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