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Author Message   Michael_linn Tinkerer Username: Michael_linn Post Number: 94 Registered: 04-2011 Rating: N/A Votes: 0 Posted on Wednesday, July 24, 2013 - 01:46 pm:    As I recall (it's been a while) the lens release, DOF, etc. are attached to the front standard and come off with it. Peel back the front leatherette and you should see the screws holding the front standard. Remove them and lift it off, being careful with any attachments such as wires. I have no idea about the springs and bearings. Memory fails! It's an uncommon model which was quickly superseded by the FR series.