I have a Emil Busch Portrait Aplanat 11" No 3 f/6 brass lens that I had mounted in a Copal shutter. Problem is that the optics have proved out to be too sharp and emulate a modern lens. Is there any way to simply modify the lens to give it some vintage character? I've read in a few places that unscrewing the front or rear elements adds vintage character to the lens. Anyone have any experience with that? Or is it worth it to try to substitute either the front or back group of elements from another lens? Would appreciate a direction to go in.
thanks
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