Originally Posted by
Nathan Potter
Hey Dan I'm no lens guru like many here but I had always thought that, as you state, #0 and #1 Compurs are of the same thickness as Copal #0 and #1. Nice that you reinforce my belief. But this brings up another question that might also have some bearing on the OPs' task. Some lenses have shims to adjust the spacing between the front and rear elements. I assume that this is done at the factory to meet performance specs. But I worry that when buying a used lens how do I know if the original factory spacer is present or was ever intended to be there? What's your take on this?
Nate Potter, Harrington Me.
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