Question about Tamron 28-200mm f/3.8-5.6 Super II Macro Black for Canon

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Will not autofocus

I have been using a Tamron 28-300mm lens with a Canon XTi. Thing have been working fine until the last time I used the camera. I can only take pics with manual.
Any suggestions or explanation?
Using Tamron 28-200 on Canon Xti for a year. Suddenly I get an error 99. Canon says lens isn't compatable with camera, Tamron says not true, I need a new lens mine is shot.....
At any rate, I have to buy a new one - should I go Tamron 28-200 again or Canon 28-200? LOVED the Tamron, just don't know how long it will last on the Canon?

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Hey shutterbug72,
According to the manufacturer the first thing you should try is cleaning the lens contacts with an eraser. If that doesn't work you could try removing the battery and reinserting it to reset the camera. It seems to me that if there was a compatibility issue going on you should have seen that from the start. As far as what lens you should buy both Tamron and Canon make very good lenses, but with Canon lenses you shouldn't ever have compatibility issues. I hope this helps!

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Posted on May 23, 2008


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Posted on Jan 02, 2017


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