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UPDATE
The forum will be moving to a new domain in the near future (canonrumorsforum.com). I have turned off "read-only", but I will only leave the two forum nodes you see active for the time being. I don't know at this time how quickly the change will happen, but that will move at a good pace I am sure. ------------------------------------------------------------
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A patent for a what looks to be a competitor to the <a href="http://www.canonrumors.com/2015/07/nikon-announces-the-new-af-s-dx-nikkor-16-80mm-f2-8-4e-ed-vr-lens/" target="_blank">16-80mm f/2.8-4 VR that Nikon announced yesterday</a>. Included in this patent is an optical formula we already have, the EF 24-105 f/3.5-5.6 IS STM, but it also shows an EF-S 15-105 f/2.8-5.6 IS STM (24-168mm in 35mm) for APS-C cameras.</p>
<p>Patent Publication No. 2015-118141</p>
<ul>
<li>Published 2015.6.25</li>
<li>Filing date 2013.12.17</li>
</ul>
<p>Canon patents</p>
<ul>
<li>Positive and negative positive and negative positive and negative positive 7-group zoom</li>
<li>Inner focus (fourth group)</li>
</ul>