Is there a way to fix my Sigma 70-300mm lens. when I put it on my Rebel XTI I get an error 99? There is a guy in Canada that says he has a re-chip for it, which requires opening the lens, cutting and soldering on the inside.
Thank you for the reply. I should have mentioned the first thing I did was update the software to 1.1.1 and it did not fix it either. I was given the camera so I'm not out any money so maybe the best option is to upgrade to something a little newer b...
My Canon 18-55 lens (Kit lens) works well on the camera; it is only this Sigma Lens that gives me an error 99. I do not know if it works with other cameras as this is my only camera. I do not see any indication of external damage. Thank you for any h...
