EF-S IS STM vs. EF-S IS USM

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stuartp56 Regular Member • Posts: 182
EF-S IS STM vs. EF-S IS USM

My Rebel T4i came with the STM version of the 18-135 lens. It has now failed. Is the newer USM version a better lens? I’ve had focus issues with the STM and was never really happy with it’s reliability. It has the correct range for the work I do.

Thanks for your input. I tried to find a review or comparison but not finding anything.

 stuartp56's gear list:stuartp56's gear list
Canon EOS 350D Canon EOS Rebel T4i Canon EF-S 18-135mm F3.5-5.6 IS Canon EF 75-300mm f/4.0-5.6 III USM Canon EF-S 18-55mm f/3.5-5.6 II +1 more
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Canon EOS Rebel T4i (EOS 650D / EOS Kiss X6i)
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