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Canon offers mode dial mod for 5D Mark II and 7D
by Allison Johnson -  12/1/2010

Owners of the Canon EOS 5D Mark II and the EOS 7D can now keep their mode dials locked down. For $100, Canon is offering a modification to add a locking mechanism to these DSLRs' mode dials. Dials without locks are liable to slip into another mode in the event that the camera is jostled.

Canon's website offers more details and contact information for those interested in the service.