On Jul 23, 2010, at 11:42 AM, Mike Hord wrote:

> Anybody know a good source for relatively cheap (say, <$0.50US ea)
> (in qty 100) plastic lenses?

You can look at the places that cater to the DIY-flashlight folk, eg:
http://www.dealextreme.com/products.dx/category.917~search.acrylic=20
%20lens
There are a lot of choices in the "cheap" category; I don't think I =20
remember enough about optics to be able to tell whether any of them is =20
suited to your application, but it looks like a range worth =20
experimenting with (the intended app is similar to yours, I think.)

Dealextreme has a reasonable reputation; I've ordered stuff from them =20
and received it with no problems.  I have not used any of their =20
lenses, though...

BillW

--=20
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