http://www.canonrumors.com/
EF300/F4 IS II with plastic lens.
http://egami.blog.so-net.ne.jp/2009-12-17
EF300/F4 IS II with plastic lens.
http://egami.blog.so-net.ne.jp/2009-12-17
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 15-24/F3.5-4.5 Fish eye zoom (not EF-S)
http://egami.blog.so-net.ne.jp/2009-11-27
2. 小小白 IS 2006 在所有白砲變焦群中最年輕, 評價最優.
就算要更新也不是排前面.
1995 EF 70-200mm F2.8L
1998 EF 100-400mm F4.5-5.6L IS
1999 EF 70-200mm F4L
2001 EF 70-200mm F2.8L IS
2004 EF 28-300mm F3.5-5.6L IS
2004 EF 70-300mm F4.5-5.6 DO IS
2005 EF 70-300mm F4-5.6 IS
2006 EF 70-200mm F4L IS
2010 EF 70-200mm F2.8L II IS
3. 有專利沒生產 >>> 有專利有生產
所以專利不等同於近期一定會生產.
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