What kind of error? Err 99? You mention DS 126151, that's the model number. This camera is mostly know as Canon EOS Rebel XTi? Also known as the EOS 400D or EOS Kiss Digital X. If you are getting a Err 99 while shooting, try any other lens that will fit on your Canon. In most cases the aperture will become defect in these lenses. Not worth repairing if you ask me. One thing you could do, is shoot only at its maximum aperture. So that'll be F4.0 at 70mm and F5.6 at 300mm. That might work, but that might not be suitable in every situation.
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What kind of error? Err 99?
You mention DS 126151, that's the model number. This camera is mostly know as Canon EOS Rebel XTi? Also known as the EOS 400D or EOS Kiss Digital X.
If you are getting a Err 99 while shooting, try any other lens that will fit on your Canon. In most cases the aperture will become defect in these lenses. Not worth repairing if you ask me. One thing you could do, is shoot only at its maximum aperture. So that'll be F4.0 at 70mm and F5.6 at 300mm. That might work, but that might not be suitable in every situation.