Reviews and Problems with Sigma APO 50-150mm F2.8 EX DC HSM
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REVIEW: Sigma 50-150mm f/2.8 EX DC APO OS HSM Lens Review
6 July 2014
Excerpt: This telephoto zoom lens for use with APS-C format cameras offers a 3x zoom range equivalent to a 75-225mm lens used on a 35mm camera, a fast constant f/2.8 maximum aperture, silent autofocus and optical stabilisation.
Excerpt: For APS-C shooters who covet the fast, image-stabilized 70–210mm zooms for full-framers, Sigma provides the sole choice. This 50–150mm f/2.8 OS lens ($1,099, street) replaces a similar but nonstabilized lens in Sigma’s catalog.
Excerpt: At first glance, the new Sigma 50-150mm f/2.8 EX DC ($680, street) appears to possess an unusual focal length range. But when you do the math, multiplying by a 35mm lens-conversion factor of 1.4X, it becomes a more familiar-sounding 70-210mm equivalent.
Sigma’s APO 50-150mm f/2.8 EX DC HSM; A Portrait Photographer’s Zoom
1 June 2007
Excerpt: I 've been shooting most of my portrait work with a 28-75mm zoom, but always felt I could use something longer. And I'm about at the point where fixed focal length lenses just won't do; once you get used to the flexibility of a zoom, you're spoiled.
Conclusion: A solid build quality that we have become accustomed to from the Sigma range and still light enough for handheld, OS remains sharp with a fixed range, wide aperture usually reserved for pros.
Pros: Fixed f/2.8 aperture, Four stops OS, Pro focal range, Lightweight for a telephoto
Cons: Too large for most hobbyists, Only for crop sensor, Vignetting
Excerpt: This new f/2.8 telephoto zoom from Sigma is the answer to many photographers' prayers. As lenses go, this one is rather short on what you could class as key features, but that doesn't mean that it's below par. In fact it sets the benchmark on what a telephoto zoom should offer.
Sigma AF 50-150mm f/2.8 EX DC HSM (Nikon mount) - Review / Test Report
26 December 2007
Conclusion: The Sigma is an impressive lens with only few weaknesses. The resolution is excellent at 50mm and 100mm and (roughly) very good at 150mm although the quality could be a little better at f/2.8 here. While not formally tested the close focus performance (@ 150mm <1.5m) seems to fairly poor.