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greenglass
professor emeritus
Reged: 01/22/06
Posts: 540
Loc: Ontario, Canada
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Re: flat mirror tests
07/02/09 12:40 PM Attachment (22 downloads)
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Flourescent light enhanced with photo studio same glass in pan of water, I think the disc is around 20 waves concave and couple waves TDE. The fringes seem to be concentric around the point I'm viewing from and get finer when viewed away from perpendicular? Very touchy to get a few fringes.
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10" f/5 dob unf.
7x50 Tasco binos
Edited by greenglass (07/02/09 04:29 PM)
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