Sigma 45mm F2.8 DG DN Review

November 4, 2019 | Mark Goldstein | Rating star Rating star Rating star Rating star Half rating star

Review Roundup

Reviews of the Sigma 45mm F2.8 DG DN from around the web. »

Boasting great image quality and a robust build, the Sigma 45mm f/2.8 proves that good things truly do come in small packages. While we may be used to seeing fantastically wide maximum apertures from Sigma, this understated 45mm f/2.8 more than holds its own against its more glamorous cousins. While we may have small quibbles with the lens' vignetting and slight distortion, we would snap this beautiful piece of glass up in a heartbeat.
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While Sony E-mount lenses are nothing new for Sigma, it took them quite a while to design native full-format lenses - as opposed to the rather 2nd-class approach of converting some of their DSLR lenses. However, also thanks to their parallel activities around the L-mount alliance we can expect to see more interesting offerings. One of them is the Sigma 45mm f/2.8 DG DN Contemporary. Some may question the word "interesting" here given the slow speed for such a standard prime lens but it is actually quite unique in a couple of aspects. The rather high price tag of 550USD/EUR may give you a hint already.
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Sigma's Global Vision series of lenses, introduced in 2012, often outperforms first-party options, and for less money. The latest entry, the 45mm F2.8 DG DN Contemporary ($549), is one of the company's first built for full-frame mirrorless cameras. Its size harkens back to the prime kit lenses of days past, and it offers excellent resolution, a decent close-up focus capability, and a sturdy build. Add a price that's squarely affordable in the full-frame world, and you've got a lens that's easy to recommend and an Editors' Choice.
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The first of these that I’m looking at is a pint-sized 45mm F2.8 option – the Sigma 45mm F2.8 DG DN. Though this lens carries a “Contemporary” designation, the build quality is actually very high and the little lens is nearly as feature rich as the Sony G Master lenses. It is a lens designed to cover the full frame image circle (DG) but is purposefully designed for mirrorless (DN).
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