Thread
:
8" GSO and canon 40D strange stars
View Single Post
#
47
28-09-2009, 09:39 PM
TrevorW
Registered User
Join Date: Aug 2006
Location: Western Australia
Posts: 7,866
Ok how do we detemine whats what with the f ratio get a ruler out
???
TrevorW
View Public Profile
Find all posts by TrevorW