Reviews and Problems with Sigma 17-70mm F2.8-4 DC Macro OS HSM
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Sigma 17-70mm F2.8-4 DC Macro OS HSM
12 May 2014
Conclusion: The Sigma 17-70mm F2.8-4 DC Macro OS HSM lens is a solid replacement for the 18-55mm that shipped with your camera, but another Sigma zoom is our Editors' Choice.
Pros: Sharp. 4.1x zoom range. 1:2.9 macro magnification. Optical stabilization. Wide aperture. Compact and light. Available for multiple camera systems. Compatibility with Sigma USB dock and mount conversion service.
Summary: Sigma's latest 'C' badged 17-70mm F2.8-4 is an excellent upgrade option for SLR shooters who've outgrown their kit zooms, and are looking for better image quality and more creative flexibility. It offers a fine balance of zoom range and maximum aperture, while still being highly portable.
Pros: Useful combination of zoom range and relatively fast aperture, Very good image quality across most of the range, Compact size, Reasonably fast and near-silent autofocus, Effective image stabilisation
Cons: Somewhat weak image quality at wideangle (soft corners and chromatic aberration), Macro shooting a little impractical (very short working distance)
Excerpt: This 4.1x zoom lens for APS-C format cameras sports a variable f/2.8-4 maximum aperture, silent focusing, optical stabilisation and a closest focusing distance of 22cm throughout the zoom range. The zoom range is roughly equivalent to that of a 25.5-105mm lens used on a 35mm camera.
Pros: Very good sharpness in the centre, Good build quality, Close focusing, Optical stabilisation
Cons: Drop off in clarity towards edges as lens is zoomed in may concern some people, Barrel distortion at 17mm
Sigma AF 17-70mm f/2.8-4 DC HSM OS (Nikon) - Review / Test Report
19 February 2012
Conclusion: Like most standard zoom lenses the Sigma shows a pronounced degree of barrel distortion at 17mm whereas other focal lengths are less affected. Lateral CAs are comparatively well corrected. All-in-all the performance characteristic is similar to its non-OS predecessor.
Sigma AF 17-70mm f/2.8-4 DC HSM OS macro - Lab Test / Review
4 December 2011
Conclusion: The Sigma AF 17-70mm f/2.8-4 DC HSM OS remains a fairly obvious candidate for budget oriented consumers. It may not reach stellar performance levels but the resolution figures are generally very decent.
Summary: The Sigma 17-70 mm 2.8-4.0 DC Macro OS HSM has a much more interesting zoom range than the Canon 18-55 mm kit lens. Those extra millimeters on the telephoto side allows this lens to work as a portrait lens.
Pros: Very good resolution in the center at all focal lengths for a lens in this class, Good to very good resolution in the corners, except for 17 mm, Practical zoom range, Very fast autofocus, Solid touch, Good price to quality ratio
Cons: Very poor sharpness at 17 mm in the corners, High distortion at 17 mm, Sensitive to backlight, Chromatic aberration at 17 mm on the high side