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Thank you for your patronage to SIGMA products.</p>
<p>We would like to announce the availability of a new firmware update for the SIGMA 150-600mm F5-6.3 DG OS HSM | Sports in Canon and Nikon mount, as well as the SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary in Canon and Nikon mount. This firmware update can be installed using SIGMA Optimization Pro, the dedicated software for the SIGMA USB DOCK.</p>
<p>The latest firmware update improves the AF algorithm of SIGMA 150-600mm F5-6.3 DG OS HSM lenses and further enhances AF speed by optimizing HSM (Hyper Sonic Motor) drive control. It is expected to increase autofocus speed by approximately 20%, to a maximum of 50%, during normal shooting as well as when using “Speed Priority” set through SIGMA Optimization Pro.</p>
<p>For customers who own the SIGMA USB DOCK and applicable products listed below, please update the firmware using SIGMA Optimization Pro.</p>
<p>For customers who do not own a SIGMA USB DOCK, please contact your nearest authorized SIGMA representative for details about updating the firmware free of charge.</p>
<p><b>Applicable products</b></p>
<ul>
<li>SIGMA 150-600mm F5-6.3 DG OS HSM | Sports – Canon and Nikon mount</li>
<li>SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary – Canon and Nikon mount</li>
</ul>
<p><b>Benefit of this firmware update</b></p>
<ul>
<li>Improved the AF algorithm to further enhance AF speed</li>
</ul>
<p><strong><a href="http://www.sigma-global.com/download/en/" target="_blank" rel="nofollow">Download the new firmware</a></strong></p>
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