EF-M 55-200mm f/4.5-6.3 IS STM. Smooth, near-silent STM focusing. Take a more detailed look into the Canon EF-M 55-200mm f/4.5-6.3 IS STM. STM focusing technology. Find out more about the Canon EF-M 55-200mm f/4.5-6.3 IS STM, its features and what it can do.
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