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We’ve been told that Canon will announce at least 2 new “big white” lenses in 2018. This is a World Cup year and the event may be used for testing the final versions of the lenses.</p>
<p>The new patents seem to be geared towards further weight reduction of the big white lenses as well as a bunch of ways to reduce abberations.</p>
<p>None of of the following patents mention IS, but looking at the optical formula, you can see grouping of elements that points to IS being included.</p>
<p><strong>Japan Patent Application <a href="https://www.canonnews.com/a-flurry-of-super-telephoto-patent-applications-appear">2017-215495</a></strong></p>
<ul>
<li>400mm f/2.8</li>
<li>300mm f/2.8</li>
<li>500mm f/4.0</li>
</ul>
<p><strong>Japan Patent Application <a href="https://www.canonnews.com/a-flurry-of-super-telephoto-patent-applications-appear">2017-215494</a></strong></p>
<ul>
<li>400mm f/2.8</li>
<li>500mm f/4.0</li>
<li>600mm f/4.0</li>
<li>800mm f/5.6</li>
</ul>
<p><strong>Japan Patent Application <a href="https://www.canonnews.com/a-flurry-of-super-telephoto-patent-applications-appear">2017-215493</a></strong></p>
<ul>
<li>300mm f/2.8</li>
<li>400mm f/2.8</li>
<li>500mm f/4.0</li>
<li>600mm f/4.0</li>
<li>800mm f/5.6</li>
</ul>
<p><strong>Japan Patent Application <a href="https://www.canonnews.com/a-flurry-of-super-telephoto-patent-applications-appear">2017-215492</a></strong></p>
<ul>
<li>300mm f/2.8</li>
<li>400mm f/2.8</li>
<li>500mm f/4.0</li>
<li>600mm f/4.0</li>
<li>800mm f/5.6</li>
</ul>
<p><strong>Japan Patent Application <a href="https://www.canonnews.com/a-flurry-of-super-telephoto-patent-applications-appear">2017-215491</a></strong></p>
<ul>
<li>400mm f/2.8</li>
<li>800mm f/5.6</li>
<li>200mm f/2.0</li>
</ul>
<p>We had been told that it was possible Canon would return to the EF 200mm f/1.8L and add IS, however the latter patent seems to show it’ll remain EF 200mm f/2L IS and receive a version 2.</p>
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