Thread
:
positioning of camera with AO8
View Single Post
#
2
12-11-2013, 06:13 AM
JohnH
Member # 159
Join Date: Feb 2005
Location: NSW
Posts: 1,226
The ccd sensor needs to be at the focal plane with the AO8 in front if it. The glass in the AO is flat and alters focus point only very slightly (like a LUM filter does) - iirc it shortens focus a tiny fraction.
JohnH
View Public Profile
Find all posts by JohnH