Sigma 17-70 mm f/2.8-4.0 DC Macro OS HSM
1. Introduction
At the beginning of 2006 the Sigma Corporation presented a new lens – the Sigma 17-70 mm f/2.8-4.5 DC Macro. From the perspective of last four years you can confidently say the launch was a good move and a great success. For an affordable price we got a nicely put together kit lens substitute with all-purpose focal lengths range, good fastness, a very decent Macro mode substitute and, what’s the most important here, quite good optics.
At the end of 2009 Sigma decided to refresh this interesting product. A lot of features have been changed. Firstly we got image stabilization and an ultrasonic autofocus motor HSM (in the previous model it was available only in the Nikon mount version). The parameters also changed slightly. The aperture was improved and now, at the longer end, it amounts to f/4.0, not to f/4.5 but the macro mode got worse because the minimal focus increased from 0.2 to 0.22 meter (changing the mapping scale from 1:2.3 to 1:2.7). The price increased too – the new model is by 180 $ more expensive than its predecessor.
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The popularity of the model might be proven by the fact that we have been simply inundated with the requests for the test of the new Sigma 17-70 mm OS. As soon as the first specimens of this lens appeared in Poland the K-Consult company lent one of them for testing purposes. Such a novelty is always our main priority so we tested it without delay and the conclusions you can read below – enjoy!
Information about our review method can be read in our article
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