
Sigma 45mm f/2.8 DG DN Contemporary Lens for Sony E
Best price now
35% under what the other stores charge
Compared across 15 stores. Prices are checked against each store and labelled with when.

35% under what the other stores charge
Compared across 15 stores. Prices are checked against each store and labelled with when.
It checks today's price at every store, compares the alternatives and answers in about a minute.
The Sigma 45mm f/2.8 DG DN Contemporary is a compact full-frame prime for Sony E-mount cameras. It is built around smooth, rounded bokeh and a short 9.5-inch minimum focus distance rather than a fast aperture. It suits street, travel and everyday shooters who want a small lens with character. Against f/1.8 and f/1.4 50mm rivals it gives up light gathering and background blur, but it is smaller and lighter and focuses closer.
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In stockShips from abroad · duties may apply · made for another market
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Lowest price we've seen: $399.95 on Nov 12 at Walmart. Tracked across 13 stores since Nov 12.
Owners like the small size, the smooth rendering and the close focusing. Many say the f/2.8 aperture is the main trade-off, and some find corners soft wide open.
The Sigma 45mm f/2.8 DG DN Contemporary is a normal-length prime lens for full-frame Sony E-mount mirrorless cameras. It is part of Sigma's Contemporary line, which balances a compact, lightweight build with optical performance. It can also be used on APS-C models, where it gives a 68mm equivalent focal length.
The lens has a constant f/2.8 maximum aperture and a rounded seven-blade diaphragm. The optical design controls spherical aberrations to produce large, soft, rounded bokeh and a three-dimensional look to the subject. The minimum focusing distance is 9.5 inches, which suits snapshots and tabletop photos.
A stepping motor drives fast, precise, near-silent autofocus, including with Face/Eye Detection AF and during video. Full-time manual focus is also available. The brass bayonet mount has rubber sealing that makes it dust- and splash-resistant. A lens hood is included to protect the front element and reduce flare.













