Question about Sigma 17-35mm f/2.8-4.0 EX Aspherical HSM for Canon EOS

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Fstop not clearing back to 2.8

My Sigma EX 17-35mm F2-8 lens on my Canon EOS 5D sticks when stopping down and is very difficult to make it return to F2.8. Any ideas please, I don't think it is worth spending £100 on repair

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The intrupter needs replacing I can do it for £50 +p+p

Posted on Oct 25, 2009

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