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sigma 90mm f2.8 macro

Started Nov 28, 2009 | Discussions thread
neilt3
neilt3 Veteran Member • Posts: 3,011
Re: Yes this is correct

User4327218384 wrote:

I have a 90mm Sigma 2.8 Canon mount and it will autofocus on a Canon T2i, but gives an error reading about cleaning the lens contacts, apparently the information does not communicate between camera and lens correctly. I put the lens on a Canon 5D, the original, and it seemed to work fine.

After 13 years , I think the O.P has figured things out and moved on .

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