Sigma 50mm 1.4 compatibility with 7D

Started Jan 25, 2011 | Discussions thread
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kevin11
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Sigma 50mm 1.4 compatibility with 7D
Jan 25, 2011

I was going to purchase the Canon 50mm 1.4 lens but I am a little worried from the comments that I read about the USM failing after short use. I like staying with Canon's products to ensure compatibility with my 7D. I am not interested in Canon's 50mm 1.2L because it is a little bit out of my price range.

But now I am more interested at this point in Sigma's 50mm 1.4 lens because of the better ring-type focusing motor. The only thing that I am unsure about is I am not sure if the Sigma's lens is 100% compatible with the 7D. I don't want there to be any surprises down the road when I want to use a custom function on the camera and it doesn't work correctly with Sigma's lens.

Does anyone know if such a compatibility issue exists between the 7D and Sigma's 50mm 1.4?

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