Sigma's first lens for Canon RF: the compact 18-50mm f/2.8 for APS-C bodies such as the R10, R50 and R7, a constant f/2.8 across 29-80mm equivalent in 300g. Quiet stepping-motor autofocus, 12.1cm close focus at the wide end, 55mm filters; no stabilisation.
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4 cameras compatible with the Canon RF mount.
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