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    <title>Produce a Canon EF 500mm f/5.6L IS USM lens Petition: Signature List Feed</title>
    <link>http://www.gopetition.com/signatures/produce-a-canon-ef-500mm-f56l-is-usm-lens.html</link>
    <description>Online petition signatures</description>
    <language>en-us</language>
    <lastBuildDate>Mon, 6 Apr 2026 04:33 UTC</lastBuildDate>
    <generator>GoPetition RSS Feed Generator</generator>
    <copyright>Copyright 2026 GoPetition</copyright>
    <item>
      <title>Mr Tim Barker [Signature #29]</title>
      <link>https://www.gopetition.com/signature/locate/19325342?utm_medium=rss</link>
      <description><![CDATA[Mr Tim Barker]]></description>
      <pubDate>Tue, 22 Sep 2015 07:21:24 UTC</pubDate>
      <quid isPermaLink="false">19325342</quid>
    </item>
    <item>
      <title>Mr Arlen Wang [Signature #28]</title>
      <link>https://www.gopetition.com/signature/locate/15696411?utm_medium=rss</link>
      <description><![CDATA[Mr Arlen Wang, melbourne, VIC, Australia]]></description>
      <pubDate>Sat, 24 Aug 2013 09:40:48 UTC</pubDate>
      <quid isPermaLink="false">15696411</quid>
    </item>
    <item>
      <title>Dr Johannes Melchers [Signature #27]</title>
      <link>https://www.gopetition.com/signature/locate/12976647?utm_medium=rss</link>
      <description><![CDATA[Dr Johannes Melchers, Heidelberg, Germany]]></description>
      <pubDate>Sat, 2 Jun 2012 09:49:51 UTC</pubDate>
      <quid isPermaLink="false">12976647</quid>
    </item>
    <item>
      <title>Mr Zoltan Gyori [Signature #26]</title>
      <link>https://www.gopetition.com/signature/locate/11959961?utm_medium=rss</link>
      <description><![CDATA[Mr Zoltan Gyori, Hodmezovasarhely, Csongrad megye, Hungary]]></description>
      <pubDate>Mon, 9 Jan 2012 02:28:32 UTC</pubDate>
      <quid isPermaLink="false">11959961</quid>
    </item>
    <item>
      <title>Dr Anonymous [Signature #25]</title>
      <link>https://www.gopetition.com/signature/locate/9662766?utm_medium=rss</link>
      <description><![CDATA[Anonymous<p>With the cost of new gen II lenses like (the 300mm, 500mm, 600mm) we, birding and sport amateur photographers, feel left out.</p>

<p>A 500mm IS f/5.6 would be an ideal lens.  It may not work with extenders fully (no AF on non 1-series bodies), but the reach would be enough for most situations.  A 400mm is just not enough.</p>

<p>Canon, I hope that you would listen to the many voices in support of the 500mm f/5.6 IS product.</p>]]></description>
      <pubDate>Tue, 15 Feb 2011 12:52:34 UTC</pubDate>
      <quid isPermaLink="false">9662766</quid>
    </item>
    <item>
      <title>mr alan jones [Signature #24]</title>
      <link>https://www.gopetition.com/signature/locate/9434552?utm_medium=rss</link>
      <description><![CDATA[mr alan jones, christchurch, NZ]]></description>
      <pubDate>Sun, 30 Jan 2011 06:52:29 UTC</pubDate>
      <quid isPermaLink="false">9434552</quid>
    </item>
    <item>
      <title>Greg Pavlov [Signature #23]</title>
      <link>https://www.gopetition.com/signature/locate/9431503?utm_medium=rss</link>
      <description><![CDATA[Greg Pavlov, New York, United States of America<p>A lens such as this should be a nice balance between price, capability and weight when compared to the 400 f/5.6 and the physically larger and heavier telephotos in Canon&#039;s lineup.</p>]]></description>
      <pubDate>Sat, 29 Jan 2011 02:31:19 UTC</pubDate>
      <quid isPermaLink="false">9431503</quid>
    </item>
    <item>
      <title>Anonymous [Signature #22]</title>
      <link>https://www.gopetition.com/signature/locate/9430977?utm_medium=rss</link>
      <description><![CDATA[Anonymous]]></description>
      <pubDate>Sat, 29 Jan 2011 12:50:14 UTC</pubDate>
      <quid isPermaLink="false">9430977</quid>
    </item>
    <item>
      <title>Mr Anonymous [Signature #21]</title>
      <link>https://www.gopetition.com/signature/locate/8117058?utm_medium=rss</link>
      <description><![CDATA[Anonymous, Vancouver, B.C., Canada<p>We need high quality lightweight glass that has 4-stop IS and is compatible with a 1.4x extender . . . NOW!!!!</p>]]></description>
      <pubDate>Fri, 9 Jul 2010 11:34:05 UTC</pubDate>
      <quid isPermaLink="false">8117058</quid>
    </item>
    <item>
      <title>Mr Valentino Kintanar [Signature #20]</title>
      <link>https://www.gopetition.com/signature/locate/8064939?utm_medium=rss</link>
      <description><![CDATA[Mr Valentino Kintanar]]></description>
      <pubDate>Sun, 4 Jul 2010 07:43:06 UTC</pubDate>
      <quid isPermaLink="false">8064939</quid>
    </item>
    <item>
      <title>Mr. Sam Ferriol [Signature #19]</title>
      <link>https://www.gopetition.com/signature/locate/7946247?utm_medium=rss</link>
      <description><![CDATA[Mr. Sam Ferriol, carson, United States of America]]></description>
      <pubDate>Tue, 15 Jun 2010 11:44:12 UTC</pubDate>
      <quid isPermaLink="false">7946247</quid>
    </item>
    <item>
      <title>Mr Olle Falk [Signature #18]</title>
      <link>https://www.gopetition.com/signature/locate/7935690?utm_medium=rss</link>
      <description><![CDATA[Mr Olle Falk, Stockholm, Sweden]]></description>
      <pubDate>Mon, 14 Jun 2010 10:14:32 UTC</pubDate>
      <quid isPermaLink="false">7935690</quid>
    </item>
    <item>
      <title>Mr Anonymous [Signature #17]</title>
      <link>https://www.gopetition.com/signature/locate/7454166?utm_medium=rss</link>
      <description><![CDATA[Anonymous]]></description>
      <pubDate>Tue, 27 Apr 2010 03:43:00 UTC</pubDate>
      <quid isPermaLink="false">7454166</quid>
    </item>
    <item>
      <title>Mr Anonymous [Signature #16]</title>
      <link>https://www.gopetition.com/signature/locate/7431818?utm_medium=rss</link>
      <description><![CDATA[Anonymous<p>This lense would be more hand-holdable and affordable then 500mm f4 IS!</p>]]></description>
      <pubDate>Fri, 23 Apr 2010 04:45:12 UTC</pubDate>
      <quid isPermaLink="false">7431818</quid>
    </item>
    <item>
      <title>Mr Fredrik Johnson [Signature #15]</title>
      <link>https://www.gopetition.com/signature/locate/7334594?utm_medium=rss</link>
      <description><![CDATA[Mr Fredrik Johnson, V&Auml;STRA FR&Ouml;LUNDA<p>This must be done! It&acute;s of outmost imortance! Make it happen.</p>]]></description>
      <pubDate>Sun, 11 Apr 2010 03:04:55 UTC</pubDate>
      <quid isPermaLink="false">7334594</quid>
    </item>
    <item>
      <title>Mr Shaun Mittwollen [Signature #14]</title>
      <link>https://www.gopetition.com/signature/locate/7257428?utm_medium=rss</link>
      <description><![CDATA[Mr Shaun Mittwollen, NSW, Australia]]></description>
      <pubDate>Mon, 29 Mar 2010 08:12:16 UTC</pubDate>
      <quid isPermaLink="false">7257428</quid>
    </item>
    <item>
      <title>Nicholaus Shupe [Signature #13]</title>
      <link>https://www.gopetition.com/signature/locate/7254927?utm_medium=rss</link>
      <description><![CDATA[Nicholaus Shupe, United States of America<p>The 500mm f/5.6 IS would fit nicely as Canon&#039;s top-of-the-line lightweight super-telephoto prime.  It would enable new and different photos to be taken and open up a new market.</p>]]></description>
      <pubDate>Mon, 29 Mar 2010 12:10:52 UTC</pubDate>
      <quid isPermaLink="false">7254927</quid>
    </item>
    <item>
      <title>Mr David Douglas [Signature #12]</title>
      <link>https://www.gopetition.com/signature/locate/7249059?utm_medium=rss</link>
      <description><![CDATA[Mr David Douglas, United Kingdom<p>I have 400 F/5.6 and 100-400 IS.<br />
500 F4 is too expensive for an amateur to afford.</p>]]></description>
      <pubDate>Sun, 28 Mar 2010 04:36:59 UTC</pubDate>
      <quid isPermaLink="false">7249059</quid>
    </item>
    <item>
      <title>ZACARIAS PEREIRA DA MATA [Signature #11]</title>
      <link>https://www.gopetition.com/signature/locate/7247051?utm_medium=rss</link>
      <description><![CDATA[ZACARIAS PEREIRA DA MATA<p>I want new 500 5.6 light and ergonomic for BIF,s like 400 5.6</p>]]></description>
      <pubDate>Sun, 28 Mar 2010 11:59:31 UTC</pubDate>
      <quid isPermaLink="false">7247051</quid>
    </item>
    <item>
      <title>Mr Marat Sattarov [Signature #10]</title>
      <link>https://www.gopetition.com/signature/locate/7245341?utm_medium=rss</link>
      <description><![CDATA[Mr Marat Sattarov, Russia<p>This lens should be entry ticket for amateurs</p>]]></description>
      <pubDate>Sun, 28 Mar 2010 06:25:27 UTC</pubDate>
      <quid isPermaLink="false">7245341</quid>
    </item>
    <item>
      <title>Mr John Spray [Signature #9]</title>
      <link>https://www.gopetition.com/signature/locate/7245138?utm_medium=rss</link>
      <description><![CDATA[Mr John Spray<p>This lens is also needed to fill the price gap between the 400 f/5.6L and any of the next bigger lenses.</p>]]></description>
      <pubDate>Sun, 28 Mar 2010 05:31:26 UTC</pubDate>
      <quid isPermaLink="false">7245138</quid>
    </item>
    <item>
      <title>marcelo setien [Signature #8]</title>
      <link>https://www.gopetition.com/signature/locate/7241504?utm_medium=rss</link>
      <description><![CDATA[marcelo setien, Aruba]]></description>
      <pubDate>Sat, 27 Mar 2010 11:46:19 UTC</pubDate>
      <quid isPermaLink="false">7241504</quid>
    </item>
    <item>
      <title>I&ntilde;igo Guionnet [Signature #7]</title>
      <link>https://www.gopetition.com/signature/locate/7239649?utm_medium=rss</link>
      <description><![CDATA[I&ntilde;igo Guionnet, Bilbo]]></description>
      <pubDate>Sat, 27 Mar 2010 03:24:05 UTC</pubDate>
      <quid isPermaLink="false">7239649</quid>
    </item>
    <item>
      <title>Edouard Bertholet [Signature #6]</title>
      <link>https://www.gopetition.com/signature/locate/7239637?utm_medium=rss</link>
      <description><![CDATA[Edouard Bertholet]]></description>
      <pubDate>Sat, 27 Mar 2010 03:17:02 UTC</pubDate>
      <quid isPermaLink="false">7239637</quid>
    </item>
    <item>
      <title>Mr Gurbally Seth [Signature #5]</title>
      <link>https://www.gopetition.com/signature/locate/7238913?utm_medium=rss</link>
      <description><![CDATA[Mr Gurbally Seth, New Delhi, India<p>Weather-sealed with built-in hood.</p>]]></description>
      <pubDate>Fri, 26 Mar 2010 10:23:39 UTC</pubDate>
      <quid isPermaLink="false">7238913</quid>
    </item>
    <item>
      <title>Danny Tuason [Signature #4]</title>
      <link>https://www.gopetition.com/signature/locate/7238578?utm_medium=rss</link>
      <description><![CDATA[Danny Tuason]]></description>
      <pubDate>Fri, 26 Mar 2010 08:30:24 UTC</pubDate>
      <quid isPermaLink="false">7238578</quid>
    </item>
    <item>
      <title>Mr Anonymous [Signature #3]</title>
      <link>https://www.gopetition.com/signature/locate/7236849?utm_medium=rss</link>
      <description><![CDATA[Anonymous, Kildeer, IL, United States of America<p>A  400/500 f 5.6 with IS would be a great addition to the Canon Line.</p>]]></description>
      <pubDate>Fri, 26 Mar 2010 02:54:34 UTC</pubDate>
      <quid isPermaLink="false">7236849</quid>
    </item>
    <item>
      <title>Mr Bo Ek [Signature #2]</title>
      <link>https://www.gopetition.com/signature/locate/7235627?utm_medium=rss</link>
      <description><![CDATA[Mr Bo Ek, Sweden]]></description>
      <pubDate>Fri, 26 Mar 2010 12:26:59 UTC</pubDate>
      <quid isPermaLink="false">7235627</quid>
    </item>
    <item>
      <title>Mr Steve Lessel [Signature #1]</title>
      <link>https://www.gopetition.com/signature/locate/7234882?utm_medium=rss</link>
      <description><![CDATA[Mr Steve Lessel, Pennsylvania, United States of America]]></description>
      <pubDate>Fri, 26 Mar 2010 11:04:20 UTC</pubDate>
      <quid isPermaLink="false">7234882</quid>
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