Thread
:
How bad could a achromatic refractor be?
View Single Post
#
2
27-09-2013, 08:38 PM
MortonH
Deprived of starlight
Join Date: Nov 2006
Location: Sydney
Posts: 3,913
Some of the recent comet pics were taken with a 120mm f/5, I believe.
MortonH
View Public Profile
Find all posts by MortonH