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new aperture ribbon cable
wiper mechanism for the zoom contacts needs to be removed
the outer barrel contains the focus mechanism, and the inner barrel contains the aperture diaphragm and the IS mechanism
disassembled, with the aperture diaphragm assembly in the foreground
a small crack is visible in the old ribbon cable to the aperture diaphragm mechanism
new ribbon cable installed on the aperture diaphragm mechanism
damaged ribbon cable to the IS mechanism
damaged ribbon cable to the IS mechanism
testing the focus at maximum aperture at 85mm, focussing on the <i>P</i> key
Aperture cable replacement in a Canon 17-85mm IS lens
Read about the aperture cable replacement. 
gallery created on 2010-11-07
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the outer barrel contains the focus mechanism, and the inner barrel contains the aperture diaphragm and the IS mechanism
the outer barrel contains the focus mechanism, and the inner barrel contains the aperture diaphragm and the IS mechanism
back shed at home, Western Australia, 2010-11-06
Canon EOS 50D, 24-70mm f/2.8L @38mm, 1/30 sec, f/5, ISO640
image uploaded on 2010-11-07
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