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Sigma 8-16mm f/4.5-5.6 DC HSM for Canon
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The Sigma 8-16mm f/4.5-5.6 DC HSM for Canon
This is the first ultra-wide, rectilinear zoom lens with a minimum focal length of 8mm, designed specifically for APS-C-size image sensors. The wide angle of view from 121.2° produces striking, extremely wide-angle images with exaggerated perspective. It has an inner focusing system and a minimum focusing distance of 24cm throughout the entire zoom range.Four FLD (“F” Low Dispersion) glass elements, which have a performance equal to fluorite glass, compensate for color aberration. One hybrid aspherical lens and two glass-mold elements give excellent correction for distortion and astigmatism. The super multi-layer coating reduces flare and ghosting, and the lens incorporates HSM (Hyper Sonic Motor), ensuring quiet and high speed AF as well as full-time manual-focus capability.
I was told this lens was just a remake of the old Sigma 12-24mm f/4-5.6 II for full-frame, but there’s more to it than that (although the big bulging front element will certainly remind you of it).
First and foremost, let’s be clear: 8mm is significantly wider than 10mm, so I consider this lens somewhat different than the other ultra-wides. At 8mm you can get your shoes in the picture if you tilt the lens down just a bit. It’s wide.
It’s also quite sharp, especially in the center and at 8 to 10mm, which is probably what you’re getting this lens for anyway. More surprisingly, it doesn’t have horrible barrel distortion at 8mm, which is pretty amazing. At the longer end it’s not quite as sharp, and at any focal length the corners and even the edges are a little mushy. Chromatic aberration is pretty well controlled, too.
So I’m surprised: I expected to say it was a useful lens if you really want the widest you can get, but that otherwise the lens had a lot of weaknesses (which is what I said years ago about the 12-24 full frame lens). But really this one not only lets you get ultra, ultra wide, it can compete with all the other ultra wides from 10mm to 20mm too. It gives up some aperture to most of the others, but except for that, it’s very comparable to them.
And from 8mm to 10mm, well, there’s no comparison at all. This isn’t the lens for everyone, because many people will never shoot this wide, but if you think you might, this is a great choice, and I can recommend it without reservation.
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