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<p><strong>Speculation has started again
</strong>We’ve received a few reports that an announcement for a replacement to the EF 100-400 f/4.5-5.6L IS is “very possible for the end of August”. A few prototypes of the lens are currently in use in Asia.</p>
<p>This has been a lens that has been set for replacement as far back as I can remember. I think it’s more probable for release now that Nikon has put their new 80-400 out, which was an area of weakness for them.</p>
<p>We’ve heard from a few people that Canon is having manufacturing issues and that there’s a backlog of new lenses slated for production.</p>
<p><em><a href=\"http://www.bhphotovideo.com/c/product/162616-USA/Canon_2577A002AA_100_400mm_f_4_5_5_6L_IS_USM.html/bi/2466/kbid/3296\" target=\"_blank\">EF 100-400 f/4.5-5.6 IS at B&H Photo</a></em></p>
<p><strong><span style=\"color: #ff0000;\">c</span>r</strong></p>