skatephoto
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Whats the differense between a lense with usm and a micro motor. thanks
another lens question
- Thread starter skatephoto
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doxx
TPF Noob!
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USM is an Ultra Sonic Motor in Canon lenses, pretty fast and ultra quiet.
Regular AF motors are not as fast and sometimes a bit noisy...
Regular AF motors are not as fast and sometimes a bit noisy...
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