On May 6, 8:27 am, Paul <[email protected]> wrote:
> It seems very unlikely that Zenni offers CR39 at all.
No, they don't.
> Their standard lens may not be polycarbonate, though. There was a discussion
> about
> this here not too long ago, and the index of true polycarbonate is not
> the same as the index that Zenni lists.
Zenni's lenses are a 'polycarbonate blend'.
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