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p.1 #1 · p.1 #1 · Assembling a Canon 17-85 EFs USM IS Macro Lens | |
I bought the lens used, though it had issues. It would not work but threw error 99. In researching the problem it pointed to a bad diaphragm or its cable, I shopped around to see what it would cost to have it done, it was usually $200 and up, so I went shopping for an alternative. There was very little on line for a manual, but there were about 5 youtube videos on tearing them down, but I couldn't find a single how to for assembly. I decided to do it anyway, and video tape the assembly if it worked when I was done I would post it to You Tube. Well it worked cost under $20 and the video has been posted I you are pressed to repair yours, this may help, and BTW the parts are usually available on Amazon or eBay.
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