YES, the 2 sigma zooms mentioned above will work on any canon DSLR if they are EF mount, sigma makes their lenses for multiple brands and mounts...
Think of it as a black box, and you open a small hole for a small amount of time, those are the shutter and aperture variables. There is a...
Your AF points are all in camera, an af lens should work the same as any. Regarding exposure, exposure triangle still applies, you set a shutter...
Ok lets talk focusing, As I understand you are using a 5d2, which I own, It is a wonderfull full featured camera despite its age it can still be...
I misunderstood and thought you were having trouble achieving focus on this lens you picked up. I suggested the wide aperture to test the focus on...
Actually before we go too far, i think that lens should do a back/front focus test. You can do this by using a wide aperture, and shooting a...
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