Central sharpness is very good at f/1.8 and f/2, excellent from f/2.8 through to f/5.6, very good from f/8 to f/16 and fair at f/22. The edges are good at f/1.8 and f/2, very good from f/2.8 to f ...
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Sigma's first Canon RF lens is finally here – and it could be the best zoom for APS-C fansSigma has officially launched its first-ever lens for Canon RF-mount ... which is quite the feat for a f/2.8 zoom lens – and makes the 18-50mm a perfect size match with Canon's APS-C mirrorless ...
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Best Canon RF lenses for EOS R cameras: Top picks for 2025The RF mount is wider than EF, though the older lenses can still be used with Canon’s ... the 18-50mm offers a 29-80 focal length equivalent, and a constant f/2.8 maximum aperture to help ...
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