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Sigma 50mm f 1.4 EX DG HSM Lens for Nikon Digital SLR Cameras

Sigma 50mm f 1.4 EX DG HSM Lens for Nikon Digital SLR Cameras $499.00 At Amazon on 6-9-2011.

Large Aperature, standard prime lens, has superior peripheral brightness and corrects the sagittal coma fare Standard lens with large maximum aperture of F1.4. Creates sharp images with high contrast and ensures superior peripheral brightness Incorporates molded glass aspherical lens, perfectly correcting coma aberration and creating superior image quality. Super multi-layer lens coating reduces fare and ghosting. Amazon.com Product Description Designed for Nikon digital SLR cameras, the Sigma 50mm f/1.4 prime lens is ideal for a wide range of applications, from landscape photography to portraiture. The lens offers an extra-large aperture that guarantees superior peripheral brightness, helping create sharp images with high contrast even at the edges. The molded glass aspherical lens, meanwhile, perfectly corrects for coma aberration to ensure that images look sharp and crisp against a nicely blurred background. And thanks to the integrated Hyper Sonic Motor (HSM), the lens enjoys a silent, high-speed autofocus system. Other features include a super multilayer lens coating that reduces flare and ghosting, a minimum focusing distance of 17.7 inches, and a maximum magnification of 1:7.4. As with all Sigma lenses, this 50mm lens carries a one-year warranty. Specifications Focal length: 50mm Maximum aperture: f/1.4 Lens construction: 8 elements in 6 groups Angle of view: 46.8 degrees Number of diaphragm blades: 9 Minimum aperture: f/16 Minimum focusing distance: 17.7 inches Maximum magnification: 1:7.4 Filter size: 77mm Corresponding AF mounts: Nikon Dimensions: 3.3 inches in diameter and 2.7 inches long Weight: 17.8 ounces Warranty: 1 year In a world of zooms, many people would find plopping down $500 for a 50mm prime -- from a third party manufacturer, no less -- to be a bit absurd. However, if you are a "prime person" -- and you know who you are -- you'll love the performance of this lens: super sharp photos, incredibly creamy background bokeh, nice contrast and flare resistance, and operation in low-light without needing super-high ISO or a blast of flash. Pros: + @1.4 it's quite usably sharp + @1.8 and beyond, it's very sharp + the bokeh (rendition of out-of-focus areas) is really amazingly smooth. More so behind the DOF than in front, though + colors, contrast, etc, all excellent + great build quality, solid feel, free case and lens hood Cons: - weight - price - big filters (77mm) Canon already has three 50mm lenses: the 1.8, 1.4, and 1.2L, so you might wonder why Sigma felt the need to jump into this market. The Canon's are all pretty good, with the 50/1.8 being an great value at $80, the 50/1.4 being a reliable workhorse (though prone to a dreamy look wide open), and the 1.2L, being, well, $1500. This lens is priced between the 1.4 and 1.2L, and judging from photos I've seen, it probably performs in that range as well. So it is filling an niche in the wide gulf between the 1.4 and 1.2L. On my camera, a 400D, a 50mm is like a short tele, and I use it mostly for relatively close up photos of people. I like that when if upgrade to FF, I'll be able to continue to use this lens (and I'll sell my Sigma 30/1.4) whose place it would take. The lens has not been out very long, and, to my knowledge, no formal reviews have been published (8/2008), but the general "buzz" is that people are seeing AF problems at distances beyond a few meters subject distance. I personally have not done exhaustive analysis, but I feel my copy performs quite well. Then again, I don't use this lens for far-off subjects very much, and almost never wide open in that case. So there may indeed be problems with this regime, but I don't feel it affects my photography much. That said, it could be that I'm just not as exacting as some, or my camera's AF is sloppy enough to hide lens variation to begin with. However, I do pixel peep a lot and I get about the same hit/miss rate as I do with other lenses I own. So far, I'm a happy customer. Back To Top Sigma 50mm f 1.4 EX DG HSM Lens for Nikon Digital SLR Cameras Available from Amazon Price: $499.00 Updated on 6-9-2011.

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