Reviews and Problems with Sigma 17-70mm F2.8-4 DC Macro OS HSM
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Expert Review
photographycorner.com
9 May 2012
Excerpt: The Sigma 17-70mm F2.8 -4 DC Macro OS HSM is the practical zoom. A large-aperture, standard zoom lens for digital cameras with an open-aperture value of F2.8 (at 17mm)...
Excerpt: Gary Wolstenholme takes a look at Sigma's 17-70mm lens with optical stabilisation. Sigma's 17-70mm lenses have been a popular upgrade for people wishing to move up from...
Lens Test: Sigma 17-70mm f/2.8-4 DC OS Macro HSM AF
Pop Photo
17 May 2010
Excerpt: An upgrade of Sigma’s digital-only macro lens (the 17–70mm f/2.8–4.5), this large-aperture standard zoom ($450, street) adds a tad more speed, another aspheric element
Excerpt: An 18-55 mm f/3.5-5.6 model is a standard ‘kit’ lens, usually added to different reflex cameras with APS-C/DX sensors.
Cons: image quality at 17 mm on the edge of the frame below the decency level,, a bit too high chromatic aberration at 17 mm and by f/2.8,, noticeable vignetting,, work agai...
Conclusion: The Sigma AF 17-70mm f/2.8-4 DC HSM OS is a fairly obvious candidate for budget oriented consumers. It may not reach stellar performance levels but the resolution figures...
Excerpt: The ‘independents’ offer some interesting alternatives to the standard zoom and Sigma has made its 17-70mm model even more appealing by adding optical stabilisation.
Summary: Well where do I start? Sigma seem to have pulled out all the stops for this lens. Not only is it capable of producing images with excellent sharpness, but the zoom range...