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[at-l] Checking for polarized lenses



On 2 Mar 2002 at 13:34, Rami wrote:

> So polarization is not the same as a coating which reduces/ eliminates UV-A or UV-B
> right?

That is correct.

> Is there a way to check the coating (or lack thereof)?


Not that I'm aware of, without a spectrophotometer.  OTOH, 
almost any old glass lens will filter one of those UVs -- I forget 
if it's UV-A or UV-B.


rafe b.
aka terrapin