When fredmiranda.com forum user sbv20 found himself with a broken Canon 17-85 mm zoom lens after the aperture became stuck he decided to have a little bit of fun: he took it apart!
And thankfully, he documented his disassembly of the zoom lens for all of us to see: Link - via Gizmodo
HTH, HAND and feel free to delete this coment once the article is corrected.
Edie
Frequent Flyer at Fred's.