Reviews and Problems with Sigma 17-70mm F2.8-4 DC Macro OS HSM
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REVIEW: Sigma 17-70mm f/2.8-4 DC Macro OS HSM C Lens Review
3 July 2013
Excerpt: Handling and features Performance Verdict Specification 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. It is available to fit Canon, Nikon and Sigma cameras and costs around £350.
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) and covers the most frequently used focal lengths. Focal length : 17–70 mm Image stabilization : Yes (OS system) 4 stops claimed Max. aperture : F2.8 – F4.0 Min. aperture : F22.0 – F32.0 N.º diaphragm blades : 7 Min. Focus : 0.22 (8.66”) Max.
Lens Test: Sigma 17-70mm f/2.8-4 DC OS Macro HSM AF
1 May 2012
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 (for a total of three), on-board image stabilization, and several ounces more in weight. A 27–112mm equivalent on most cameras that have APS-C sized sensors, this is among the few lenses that give Sony and Pentax shooters their choice of image stabilization systems: lens- or sensor-based.
Conclusion: This is a standard zoom that won’t disappoint. It offers a very good range of features, including a fast maximum aperture and OS. However, it’s the optical quality that impresses most. A deserved Best Buy.
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 the standard 18-55mm kit lenses. The latest make over costs around £330 and includes a silent focusing motor and optical stabilisation and still retains a similar close focusing ability like its predecessor.
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. It is available to fit Canon, Nikon and Sigma cameras and costs around £350.
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
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. However, most of companies active on the market have always tried to offer also a lens which provides something more regarding both the focal lengths’ range and the aperture as well.
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 against bright light should have been better.
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. Report by Paul Burrows. The standard zoom is arguably one of the most important lens purchases you’ll make as it has to perform a variety of duties. It’s probably the lens that’s on the camera the most and is asked to handle the widest range of subjects and situations.