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Sigma APO 70-200mm F2.8 II EX DG MACRO HSM for Pentax and Sony Pro Reviews

Shutterbug‘s review Edit

Like several other premium-grade Sigma lenses, this one incorporates the Hyper Sonic Motor (HSM), an ultrasonic system that provides very fast, nearly silent AF operation. Because HSM is compatible only with Canon, Nikon, and Sigma SLR cameras, Sigma is making this “Macro”-designated zoom only in those mounts. (The previous APO 70-200mm f/2.8 EX DG model is available with HSM, too, in those mounts, but also with a conventional focus motor in Pentax and Minolta Maxxum/Sony Alpha mount.) Even when shooting in AF mode, manual focus is always available with an HSM lens, allowing for slight touch-ups when necessary.
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Published on:
Nov 01, 2006

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