Hi Mike,
My wording was slightly confusing. Sigma make the lens in different versions to suit different camera manufacturers. You need to make sure you specify which camera you are using when you order - i.e Canon EF mount in your case. All the metering and autofocus functions are implemented.
CA is there but well under control.
Sorry Macro is not my thing, I can't hold the camera steady enough! But attached is a small crop from a macro shot with a 5c piece sitting on top of circuit board. You can basically get close enough so that a 50c piece fills the entire frame.
Terry
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