Evolution of Eyepiece
Posted: Sat Mar 18, 2006 11:54 am
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
For all to share
http://www.brayebrookobservatory.org/br ... PIECES.pdf
Credit to EJ Hysom