On Wed, 2 May 2001, Jarred McCaffrey wrote: > In particular I am looking at lenses such as sheet magnifiers found in > OfficeMax > or a fresnel lens from an overhead projector.
Try Edmund Scientific http://www.edmundscientific.com/Products/Search.cfm?query=fresnel Another option is RV (recreational vehicles or motor-homes) supply shops. They often sell wide angle fresnel lenses. They are meant to be stuck in the rear window to be used as a wide angle viewer. Gord --------------------------------------------------------- Gordon J. Holtslander Dept. of Biology hol...@duke.usask.ca 112 Science Place http://duke.usask.ca/~holtsg University of Saskatchewan Tel (306) 966-4433 Saskatoon, Saskatchewan Fax (306) 966-4461 Canada S7N 5E2 ---------------------------------------------------------
