Amyotte wrote:
I have a 9mm Wide angle EP. I if I were looking at buying a 4.5mm EP, is
the image quality the same as using my 9mm with a 2X barlow?


I'd be concerned about eye relief. Unless you get a 4.5mm eyepiece of
noticeably superior quality with long eye relief and wide AFOV, you
might find you're better off with the barlowed 9mm WA. Double the power
without changing the eye relief.

-Stephen