Quote:
Originally Posted by sjastro
That's a fine image Tom.
On the subject of optics, there was a recent thread that dispelled the myth that reducing the f/ratio of a telescope by reducing the focal length resulted in faster optics.
http://www.iceinspace.com.au/forum/s...ad.php?t=50007
Regards
Steven |
Yes but in this case we're talking about an 11" SCT with an F/2 primary. The secondary (F/5) is taken out. So it's not like you're correcting an F/10 primary on a newtonian.