![]() ![]() If you were considering the Sigma 35mm f/1.4, 30mm 1.4, or a Canon/Nikon alternative, I would seriously consider the Sigma 18-35 as the flexible range more than makes up for the lost 2/3 stops of aperture. However, this is not quite ‘cheap’, especially for an APS-C camera and the zoom range is somewhat limited. Is it worth it? Absolutely the Sigma 18-35mm f1.8 is worth every penny bringing top of the line build quality, amazingly wide apertures, zoom abilities, and fast autofocus for only $799. The big question is ‘Should I Buy This’ and that is somewhat of a tough question. While the vignetting at 35mm f/1.8 was more noticeable, it still is not an area for concern and can easily be eliminated in software if desired. When racking up the zoom to 35mm, there was some more noticeable vignetting at f/1.8 that almost completely disappeared by f/2.8. This slight bit was virtually un-noticeable and is surely not a concern. There was just the slightest bit of vignetting at 18mm when shooting at f/1.8 that was just about gone by f/2.8. At 35mm the lens performed slightly better than at 18mm and while the 35mm files looked great at f/2, the 18mm files looked better starting at f/2.8. Take a look at the full resolution images from my test below. While f/1.8 has a tad bit of softness, f/2 looked great to my eyes with only slight improvements from there on. I really can’t believe I am saying this but the Sigma 18-35mm lens is SHARP. It is not light either weighing an impressive 1.8lbs which lends to the high quality feel assuming you are not looking for a small lens. The Sigma 18-35mm is significantly longer than any of the 24-70 lenses I am used to though not quite as long as a 70-200. Keep in mind that this is not a small lens. Unfortunately, no image stabilization is present though the long barrel makes it easy to hand hold. While not quite as quick as the best from Canon & Nikon, you will have no trouble focusing quickly and tracking fast moving objects. For auto focus users, this long travel distance is covered quickly by the quick HSM motor. The good is that it is easy to acquire accurate focus when needed but unfortunately, you may need to rotate a bit more than you are used to. The focus ring is also smooth but turns a bit easier and has a long travel distance. Videographers should immediately turn their heads if they are looking for a lens with smooth motion while zooming. The zoom ring is on the stiff side, but is the smoothest I have ever operated. And somehow, the retail price on this lens is only $799! That is a LOT of metal for $799. ![]() This is seriously one of the best built lenses on the market and surely is the best under $1,500 without question. Not to be outdone though by its looks, the Sigma 18-35mm feels amazing. The Piano black metal finish is quite honestly as beautiful as any lens should be. Frankly, all ‘Art’ series sigma lenses have been lookers thought the 18-35mm just took the crown. The biggest question in my mind was could it possibly be any good? Sure sigma could create a zoom lens with a wide aperture, but it surely couldn’t be sharp enough to be usable. As if the Sigma 35mm f/1.4 had not made enough headlines, the Sigma 18-35mm f1.8 was a show stopper. No one had ever tried or was even rumored to be working on a zoom lens with over a stop more light than the leading f2.8 zooms. When the Sigma 18-35mm f1.8 was first leaked and then later introduced, most people thought it was a joke.
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