[h0ughy (David)]

Originally Posted by davidpretorius

the toucam at prime focus in my 10" f5 gives me 208x

there are a few cloudy night threads that i based it on one from Wes Higgins and Elias

http://www.cloudynights.com/ubbthrea.../o/all/fpart/1

http://www.cloudynights.com/ubbthrea.../o/all/fpart/1

ok so with a 1.5 time magnification parameter for the pentax at 500mm should give me 750 times magnification. Well I might step it back a bitand try somewhere between 300 and 500 and try my luck