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Author Message   Monopix Tinkerer Username: Monopix Post Number: 76 Registered: 11-2008 Rating: N/A Votes: 0 Posted on Thursday, December 24, 2009 - 10:55 am:    Well, like I said, nothing's impossible. I just happen to have an Electro on the bench at the moment and decided to see if I could split the helical. Essentially, if you remove the shutter from the lens assembly by removing the rear lens elements then unscrewing the shutter retaining ring, you can then split the helical but it's a pig of a job.