I only own one GSO plossl the 15mm; it's a wonderful Ep to use in my Lx90 at f/10 crisp and clear with good eye relief. I didn't like using it in the 12" dob at f/5, but one night I barlowed it to view Saturn at 200x and was very impressed. Maybe I let the scope cool down longer or the night was just exceptional or the barlow made a difference I don't know but sometimes you need to give things a second chance. I would recommend GSO plossls for longer focal ratio scopes, I will buy more eventually.
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