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Lens Connectivity Issues?
Lens Connectivity Issues? Hello, I have this Sigma 50mm Macro lens for my Canon T3i. When I connect the lens to the body, it clicks in fine and smooth but I always get an Error 01 message. I have tried cleaning the connector pins but still doesn’t fix it. I notice that this occurs when I fully connect the lens and not when I unconnect it slightly (like I just unscrew the...
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