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Optical designs is highly resistant to strong incidental light sources such as backlight
Minimized Chromatic aberration, distortion, and ghosting
This lens delivers excellent brightness and bokeh and is ideal high speed lens for snapshots.
The Sigma 20mm F1.4 DG HSM can be considered as the culmination of the Art line in relation with F1.4 series
The new 20mm F1.4 DG HSM Art joins the Sigma art line. This lens is the world's first 20mm Prime lens that has achieved the large aperture F1.4 for full frame DSLRs
4 Year Warranty
4 Year Sigma USA Warranty
Most Helpful Customer Reviews
Bought this lens just after the Holidays and have had a chance to use it at a wedding, around the house, and have done some astrophotography tests.
The copy I received did require some microfocus adjustments (-13 according to Reikan FoCal). Since then focus has been dead on.
f/1.4 is great to work with, although as expected the depth of field is razor thin. Pictures of my daughter had a single hair coming down in front of her face. The autofocus caught singular hair and the rest of her face (about 0.5 inches behind the hair) was clearly out of focus. Wedding photography was great. I have the relatively fast f/2.8 Tamron 24-70 zoom and I was frustrated that 2.8 was too slow (with no flash). The 20mm Sigma worked well for group and table portraits, and even for individuals, giving you a lot of blurred background.
Astrophotography. I've only done a few tests, but you likely are going to want to stop this lens down to 2.0/2.2 to get rid of...
This is a stellar lens, better than the Canon 24L f1.4 I had before, and according to numerous sources better than the Nikon 20 f1.8, even ignoring the 2/3 stop advantage of the Sigma. Very sharp even at the edges, with little vignetting and very good distortion control. There's a good comparative review of this lens at cameralove.org with lots of sample photos, which is very instructive. Couldn't be happier with my purchase.
Amazing lens. I shoot mainly commercial, landscape and timelapse photography and this lens works incredible for all three purposes. Night time photographer is where this lens really shines too! It is sharp from corner to corner, I didn't see any focus breathing, and know vignetting when opened all the way up to F/1.4.
Get this if you're looking for a fast landscape or low light lens, you won't be disappointed!
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