03-25-2015, 08:57 PM
Paul F. wrote:
Something like this...
Edit: Gaaah! That pic was too big! here's a smaller one...
I've thought about picking up one of these, but I don't know how well they would play out with my reading glasses that I wear. In other words, could these be used without using my reading glasses? Would the only thing that changes be the distance to the object that gives sharp focus?
http://www.compleatnaturalist.com/mall/optivisor.htm