Best Pick

Sigma Art 17-40mm f/1.8 DC

93.9 Professional Score
17-40mm 1.8 Canon RF Weather Sealed
Why we recommend this

Its constant f/1.8 aperture across the 17-40mm zoom range on APS-C ensures consistent low-light performance, backed by an HLA autofocus motor and weather sealing. The included filter and cleaning kit adds practical value, while 4 SLD and 4 aspherical elements maintain edge-to-edge sharpness. Best for travel and street photographers who need a rugged, fast wide-to-standard zoom with reliable autofocus.

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Great Alternatives

These options also score highly and may better suit your specific needs

Sigma Contemporary 12mm F1.4 DC

73.4 Professional Score
12mm 16 Canon RF Weather Sealed
Why we recommend this

Its f/1.4 aperture and 12mm ultra-wide perspective (18mm equivalent) paired with 3 aspherical and 2 ED elements provide high edge-to-edge sharpness and controlled distortion. A stepping motor enables smooth, silent autofocus for video, while a weather-sealed build and water-repellent front coating support outdoor use. It suits APS-C photographers needing a fast, ultra-wide prime for astrophotography, low-light interiors, and environmental portraits.

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Sigma Contemporary 12mm F1.4 DC lens
Price CA$787