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Author Message   paul ron Rating: N/A Votes: 0 Posted on Saturday, April 03, 2004 - 01:34 pm:    I am not looking top by acrylic resin, just the lens itself in difering line counts and styles for critical focusing. I magnify my view screeen and fine the comercial view screens are too course to be accurate so I want to erplace the lens with a finner one over my ground glass.