Hello..
Does anyone know if I can use the celestron SC f/6.3 focal reducer on my Orion 127mm Mak-Cass?
Thanks
Mauricio
http://www.geocities.com/carimau
Does anyone know if I can use the celestron SC f/6.3 focal reducer on my Orion 127mm Mak-Cass?
Thanks
Mauricio
http://www.geocities.com/carimau
Mauricio Alvarez
Bronx, NY
http://www.geocities.com/carimau