Its nine-bladed aperture renders beautiful out-of-focus areas, and I didn't see any vignetting. The edge-to-edge sharpness at both ends looks good, too. PC Mag The 18-35mm isnt just sharp for a fast zoom in terms of outright image quality, its a match for many fast primes, even when shot wide open. There's some aberration (fringing) on both sides at 18mm and in the center at 35mm f1.8, but at 18mm it's quite sharp in the center from wide open to f11, and as expected gets a little soft at f16 at 35mm it's sharp from f2.0 to just under f16 as well. The Sigma 18-35mm F1.8 DC HSM captures twice as much light as an f/2.8 zoom and delivers more consistent sharpness than Canons 17-55mm. Its image quality is generally excellent. MountsĬanon EF-S (tested), Nikon DX, Sigma, Sony Aġ8-35mm (28.8 - 56 equivalent on Canon 27 - 52.5 on Nikon and Sigma)Īpproximately 76.5 - 44.2 degrees (depending on focal length)ġ7 elements in 12 groups 1 aspherical with Special Low Dispersion (SLD) glass
Sigma 18 35mm f1 8 full#
162 product ratings - Sigma 18-35mm F1.8 DC HSM ART ZOOM Lens for SIGMA NEW in FACTORY BOX & CASE. The image quality from the Sigma 18-35mm f/1.8 DC HSM ART lens is exceptional in every facet, and the fact that Sigma managed to go a full 1 1/3 stops wider than other zoom lenses while still nailing the image quality is a huge achievement in engineering. The manual-focus ring has a nice feel for gradual focus, however. Sigma 18-35mm F1.8 DC HSM ART ZOOM Lens for SIGMA NEW in FACTORY BOX & CASE. This isn't a noisy lens for video autofocus, but it is a slightly slow mover in conjunction with continuous AF. My coarse metric for performance when shooting stills is the profanity factor, as in how often I find myself epitheting "Why are you so slow?" I don't remember cursing the lens out at all it kept up with my primary test camera, the 7D, pretty well. It's also supported by Sigma's optional USB dock, which allows you to manage and configure lenses and firmware updates. Of course, this isn't an issue for Sony bodies that use sensor-shift stabilization.
Sigma 18 35mm f1 8 plus#
But the lens plus SpeedBooster may vignette slightly at the widest aperture as the image circle of 28.4mm does not fully cover the 4K. That’s a focal reducer that will increase the image brightness and improve the resolution. If you shoot video without a rig, it's essential. You can connect the lens with various adapters including the new Metabones SpeedBooster EF for BMPCC4K (0.71x). The 18-35mm F1.8 DC HSM next-generation large-aperture standard zoom lens is the worlds first to deliver F1.8 brightness throughout the zoom range. I know it's rare to have optical image stabilization in wide-angle lenses (and many manufacturers will tell you it's unnecessary), but I really would like it. To solve this decades-long dilemma, SIGMA proudly introduces the 18-35mm F1.8 DC HSM next-generation large-aperture APS-C format standard zoom lens for.
Sigma 18 35mm f1 8 manual#
It's not a particularly feature-rich lens - aside from the manual/auto focus switch there's a distance readout window for the manual focus and focal-length indicators for the zoom ring, but that's about it.
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