In fairness, this was partly due to the exceptional autofocus on the Canon 7D I was using (I love Nikon, but that camera has better autofocus than any Nikon I’ve ever used), but a big part of the equation was the Sigma 18-35mm f/1.8. I was actually shocked by this at first, and there were a couple of occasions I thought my autofocus must have not been working because I didn’t hear it at work. The autofocus here is lightning fast, quiet, and accurate. In terms of performance, let’s start with autofocus. Those used to kit lenses might be taken aback at first, because this lens is significantly larger than those (and larger than its closest competitors). I really hope Sigma sticks with this style, as I think it’s excellent. ![]() In terms of design, everything about this lens is nice. The zoom and focus rings also move smoothly with just the right amount of resistance. The lens has great heft to it, and if I didn’t know otherwise, I’d think it were a metal lens. Sigma states that this material has a “ high affinity to metal parts,” and while this might just seem like marketing fluff, I think it’s true. However, it doesn’t feel like a plastic lens. The Sigma 18-35mm f/1.8 is built of “Thermally Stable Composite,” which is fancy Sigma-talk that essentially means plastic. Much like the Sigma 35mm f/1.4, this lens is built incredibly well. These buzzwords have been thrown around since the lens was announced, and obviously the hype machine is in full force with the Sigma 18-35mm f/1.8.įirst order of business: design and build. Starting the review with phrases like “world’s first” and “revolutionary” alone implies something about this lens. The class-leading Sigma 35mm f/1.4 is also part of the “Art” line, so right from the get-go, the bar is high.īefore getting started with the review, I think it’s worth taking a step back. This lens is part of Sigma’s new “Art” line, which is one of Sigma’s upper end lines introduced as part of Sigma’s reinvention. ![]() In this review of the revolutionary Sigma 18-35mm f/1.8 crop sensor lens, we’ll cover its real world performance, along with a number of sample photos, and a recommendation for the types of photographers for whom this lens might suit best. The Sigma 18-35mm f/1.8 is the world’s first constant aperture f/1.8 zoom lens.
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