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Author Message   T6nn Tinkerer Username: T6nn Post Number: 35 Registered: 06-2009 Rating: N/A Votes: 0 Posted on Tuesday, February 19, 2013 - 07:54 am:    You could make the task easier by first removing the optical part. Soften the shellac with a drop or two of alcochol and you should be able to get the optical wedge out of the larger brass frame. A sewing pin could also be of help there.