Quote:
Originally Posted by NatCh
Barns & Nobles usually carries them ... and I think Borders may, as well. 
Maps work because they're flexible, the small ones don't have a rim around them so they're no problem to put flat against whatever.  |
Thanks, maybe the red one I was reading about doesn't have the rim as well. It was the one that specifically talked about maps and was recommended if you needed to preserve your night vision. I am not sure a red lens would do well for long term book reading tho.
the whole idea looks promising.
Dale