This Sigma macro lens sports a wealth of high-end features. Headline attractions include ring-type ultrasonic autofocus with a three-position range limiter switch, optical stabilisation with dual static and panning modes, and two SLD (Special Low Dispersion) optical elements. The lens comes complete with a soft case, a hood, and even a hood converter to optimise efficiency with APS-C format rather than full-frame cameras.
The construction feels solid and robust, and the manual focus ring operates with smooth precision. The Sigma works well as a fast, short telephoto for general shooting as well as for close-ups, but unlike some lenses on test, it lacks any weather-seals.
Performance
Real-world performance proved better than the lab results suggest. Sharpness is impressive, from long-distance focus settings to full-magnification close-ups. Autofocus is fast and accurate.…
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Teach Yourself Macro Photography (Digital) - 1 Issue, Teach Yourself Macro Photography