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Ed Jones
Pooh-Bah
Reged: 04/06/04
Posts: 1413
Loc: Sin-sin-atti
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Re: flat mirror tests
07/01/09 10:48 PM
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If you see fringes your just about there, 5 seconds is perfect. I suspect the fluorescent bulb doesn't have enough contrast. Even the glass on glass isn't that contrasty. I'd find a better light source. Try a neon lamp at the focus of a collimating lens like Texereau used. An unphosphored mercury lamp works great if you can find one.
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Ed Jones
Edited by Ed Jones (07/01/09 10:51 PM)
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