Sigma EX series compared to Canon L series

Started Mar 29, 2008 | Discussions thread
Contributing MemberPosts: 995Gear list
Re: Sigma EX series compared to Canon L series
In reply to Mark B., Apr 1, 2008

Mark B. wrote:

My Sigma 70-200 f/2.8 has always been very sharp, but recently it
developed a couple mechanical problems - the aperture blades stick
every once in a while,

well, I have a canon lens, a 17-85. Admittedly, not an L, not by a long shot, but the aperture blades got stuck...


 RobertoAvanzi's gear list:RobertoAvanzi's gear list
Canon EOS 40D Canon EOS 70D Canon EF-S 17-55mm f/2.8 IS USM Tokina AT-X Pro 11-16mm f/2.8 DX Sigma 30mm F1.4 EX DC HSM +3 more
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