Quote:
Originally Posted by atalas
Excellent 
Al,the artifacts are coming from the retaining clips of the FSQ objective....I use to get It on all my FSQ's....even the EDIII with the long exposures. |
Definitely an effect associated with the FSQ106N. My 106EDX111 though did not do it. Roland Christan said once it was vignetting. I never really understood that but I have seen this same effect on some other scopes.
With the FSQ106N it was more of a cross rather than a bar.
Greg.