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Quartz Lamp Socket, Fresnel Lenses
I am building an overhead projector, ala "Fun with Frenel Lenses, Edmund Scientific" . My plan is to use 500 watt quartz iodine bulbs (dollar store specials) with a series diode to extend lamp life. The problem is, finding a suitable lamp socket.
The other thing is finding a source of fresnel lenses with two diffrernt focal lengths. Thanks for you help!
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