Thread
:
Star sizes refractors versus reflectors
View Single Post
#
22
04-06-2015, 06:48 PM
clive milne
Registered User
Join Date: May 2011
Location: Freo WA
Posts: 1,443
If refractors are a panacea, why aren't they commissioned in a contemporary professional context in apertures exceeding 4 inches?
clive milne
View Public Profile
Find all posts by clive milne