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Evolution of Eyepiece

Posted: Sat Mar 18, 2006 11:54 am
by wucheeyiun
It is a bit technical, but i enjoyed reading it.

For all to share

http://www.brayebrookobservatory.org/br ... PIECES.pdf


Credit to EJ Hysom

Posted: Sat Mar 18, 2006 6:52 pm
by cataclysm
Hi Chee Yiun, thanks for sharing the info.