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Does this combo work? Rebel XTi + Sigma 17-50mm f/2.8 EX DC OS HSM

Started Jan 5, 2019 | Questions thread
dwalby Veteran Member • Posts: 5,895
Re: Does this combo work? Rebel XTi + Sigma 17-50mm f/2.8 EX DC OS HSM

canonaimer wrote:

How old is your battery? I have had an XTI act this way when the battery was too low. Try recharging the battery and see if it works. If the battery is over 3 years old, it may be time for a new one.

good advice, an old battery can appear to be holding normal voltage levels with no load, but under load it just can't hold that voltage and weird things can happen.  It may be that the kit lens uses less power and is just under the threshold that the battery can support, while the Sigma needs more power and kills the battery.

Not that it matters to your situation, but I've used that same lens on a t2i and t3i rebel with no issues.

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