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
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Gordon J. Holtslander Dept. of Biology
holtsg@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
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Received on Fri May 4 22:24:18 2001
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