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Old Jan 8, 2010, 2:17 PM   #1
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Default Lens Patents

Canon made following patents.

EF300/F4 IS II with plastic lens.
http://egami.blog.so-net.ne.jp/2009-12-17

EF 300 f/4L IS II
This would be a welcomed lens by many.
EF70-210/F4 IS II with plastic lens
http://egami.blog.so-net.ne.jp/2009-12-12

EF 70-200 f/4L IS II
Not sure this lens needs an update yet.
EF300/F2.8 DO IS and EF 400/F4 DO IS with new double DO and IS
http://egami.blog.so-net.ne.jp/2009-12-02

EF 300 f/2.8DO IS
A lot of DO patents popping up. A lot of people ask for smaller and lighter lenses.
EF 15-24/F3.5-4.5 Fish eye zoom (not EF-S)
http://egami.blog.so-net.ne.jp/2009-11-27

EF 15-24 f/3.5-4.5 Fisheye
I think this would be a great fisheye solution. It wouldn’t cost a lot at first sight.


source:canonrumors.com
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