In terms of focal length, the Sigma 1.8/18-35 mm on the CanonAPS-C sensor (bleed factor 1.6), designed exclusively for cameras with an APS-C sensor, is equivalent to 29-56 mm on the Canon APS-C sensor (bleed factor 1.6), and 27-53 mm on the other APS-C DSLRs (bleed factor 1.5), which is less than conventional standard zoom lenses. With a slightly spectacular focal length range but extreme light intensity, the voluminous standard lens opens up interesting possibilities for cameras with sensors in APS-C format. The Sigma 18-35 mm F/1.8 DC HSM is again such a unique thing. In recent years, Sigma has repeatedly presented lenses that deviated from the usual monotony with unusual focal lengths or light intensities. The new lens should also be able to be supplied with firmware updates via the USB dock. At 810 grams, the Sigma 18-35 mm F1.8 DC HSM is not exactly a lightweight. In addition to the lens hood, the Super Multi Layer coating should help to avoid reflections and ghost images. Filters can be attached via the 72 mm front thread, a tulip-shaped lens hood and a lens quiver should be included in the scope of delivery. The Hypersonic motor of the Sigma 18-35 ensures fast and quiet focusing at the same time. The closest focusing distance is 28 centimetres, which enables a maximum magnification of 1:4.3.īoth zoom adjustment and focusing are internal, so the lens does not change its length. The lens is composed of 17 elements in 12 groups, the nine aperture lamellas are intended to create a particularly round opening, which provides a softer bokeh. With such a fast zoom, the correction of imaging errors becomes a very special challenge, which Sigma wants to master with a self-developed, brightly pressed aspherical glass lens and the installation of SLD glass, which has a particularly low dispersion. The Sigma 18-35mm F1.8 DC HSM belongs to the new Art line of the Japanese optics specialist and should be able to replace several fixed focal lengths due to its high optical performance. Sigma currently expressly does not exclude others. In any case, the lens should come with connectors for Canon, Nikon and Sigma on the market. Sigma even sees the new powerful zoom as an alternative to several fixed focal lengths in the photo bag of the ambitious photographer. The focal length range should range from 18-35 millimeters, which corresponds to a 35mm equivalent of 27-53 millimeters for APS-C sensors. With a continuous speed of F1.8, Sigma is currently developing the fastest zoom lens for APS-C cameras with the Sigma 18-35. And while $799 is a good price for a fast f/1.8 lens, it's still pricey for the casual hobbyist photographer to justify buying.Sigma 18-35 mm F1.8 DC HSM Type Datasheet Sigma develops high-intensity wide-angle normal zoom for APS-C with the Sigma 18-35 The lens is not backordered so supply isn't the issue. There was so much initial interest in this lens, and it certainly gets excellent online reviews (in other mounts), but since its release in K-mount earlier this year, I haven't noticed a ton of actual users talking about it. I'm very interested in buying this zoom lens but other than the members above who have chimed in about their experiences, there doesn't seem to be much talk about it. Are people waiting on the official PF in-depth review before deciding to buy it? Or have people gotten the DA 20-40 limited zoom instead? Or are people not interested in such a large, heavy 2x zoom? Concerned about the focus accuracy issue? Or are people waiting for a price drop or special holiday sale price? There are only 8 posted reviews in the Lens Review section, and on the B&H website, only 3 purchasers' reviews of the K-mount version. I'm curious why there hasn't been more discussion of the Sigma 18-35 lens on this thread or in other threads. 71, sharpness + 60, light +10, some + vibrance/ saturation where needed, but not much. we'll see if I can tolerate/ get used to the weight.įull sizes available = exposure +. Had to be careful which focus point to use though - center point seemed too big for shallow dof.īought it mostly for social use, but I'm liking the pic quality as a walkaround. Focus is good - at least it's speed didn't strike me as slow. It's a heavy lens, but tolerable - certainly not as easy to use as primes, but then it's a zoom so that will make it easier to use. Just some quick impressions - I've had this lens in my hands twice for a total time of less than an hour so these are preliminary. but if you have this lens, please feel free to post photos here so others can see what it can do. Well since no one else has started a thread specific to this lens, I'll start.
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