The Sigma 18-50mm f/2.8 DC DN | C (stands for Contemporary) is, first and foremost, Sigma's debut lens for the Canon RF mount. Without going into all the politics and restrictions put on third-party lens companies, we've waited six years for the first RF Sigma lens, and the wait has been worth it - provided you're an APS-C Canon EOS R mirrorless camera user.
That's because the Sigma 18-50mm f/2.8 is specifically an RF-S lens. Which means that, while you can use it on full-frame EOS R cameras in crop mode, it has been designed for APS-C bodies like the Canon EOS R7, R10, R50 and R100.
With an equivalent focal length of 28-80mm, weather sealing and a constant f/2.8 aperture, this is essentially a standard trinity lens for Canon's APS-C cameras - and thanks to Sigma's incredible engineering, it's barely bigger than one of those tiny cans of tonic you get for mixing cocktails.
All this does come with some optical compromises, though whether you'll really notice them is another matter.
Right now, it doesn't have any direct competitors, with the closest alternative being the Canon RF-S 18-45mm f/4.5-6.3 IS STMtypically sold as a kit lens with APS-C EOS R bodies, and selling for a lower price of £339, compared with £479 for Sigma's faster 18-50mm f/2.8 lens.
This story is from the October 2024 edition of PhotoPlus : The Canon Magazine.
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This story is from the October 2024 edition of PhotoPlus : The Canon Magazine.
Start your 7-day Magzter GOLD free trial to access thousands of curated premium stories, and 9,000+ magazines and newspapers.
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