Quote Originally Posted by mikeinreco View Post
Not sure if this is the place to ask but someone was selling the lenses from overhead projectors and I have saved up a bunch of them........If someone could provide the completed listing for these lenses it would be much appreciated
search completed listings for overhead projector lens or for Fresnel lens



Lot of 8 Overhead Projector Fresnel Lens 12" x 12" Oven Cooker Solar Projects | eBay