Canon EF 400mm f/4.0 DO IS USM Q&As
Announced Sep 6, 2000 •
Telephoto prime lens | Canon EF | 7034A002
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I am looking to fix a 400mm do is ver 1 lens I can not find any guides or manuals anywhere, I can find tons of parts catalogs and service manuals on a lot of other lenses but no info at all on this lens. the lens had been damages in shipping, the lens barrel is separated slightly around the focus ring, the lens will not focus or even began to focus, assumed loose connections or a damaged motor, I would like to attempt to repair this lens, I have repaired many other lenses in the past, but...
Hi, I recently bought a used EF 400mm f4 DO lens, and it came with a Jobu lens plate. I want to replace this lens plate with my Wimberley one. The problems is that the hex bolt is over-torqued and stripped. I don't want to risk damaging the lens collar by drilling or excessive force. Any suggestions on getting it off? Thanks. Cliff
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