On Dec 3, 2012, at 2:10 PM, "Liberte, Joel" <joel.liberte@HP.COM> wrote:

Not wanting to let this topic fade away, if the rectangular lens are impossible to get, are there any good poly carbonate type covers or similar available to protect them? 

I installed these several years ago and so far, so good.

http://www.gowesty.com/ec_view_details.php?id=3958&category_id=&category_parent_id=

bob