Well it appears Chuck may or may not have focus limiting astig. He did
mention use of the Viv S1 90 or Zuiko 50 3.5 for macro. If it turns
out that astig is limiting and a separate solution for macro is
desired, why not have separate eyecups with a custom diopter for
horizontal and vertical formats? Macro is never quick anyway (YMMV).
Here is another eyecup that can accommodate a diopter but I don't think
the retailer is that great.
I distinctly dislike spectacle use with OM etc, but that may just be me.
Mike
http://tinyurl.com/7ukb9
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