Not unusual for scopes that top out at 14 or 15 to get a bit tight at the high end, or a little dim in low light. Comes with the territory, so to speak. I have a couple, but the top end is mostly for the range, and also because I wanted adjustable focus, which is less often available on the ones that go to 9 or 10.
Do you have the Accupoint or the Credo?
How tight is it?
The only scope I have found unacceptable on eyebox was the Sightron S-Tac 3-16. Anything 14X and above, if you moved your eye even slightly off center of the scope the image smeared so bad it was unusable. I would have hated to try to look through it mounted on a rifle.
I have a Trijicon 5-20X50 Mil-dot at my house temporarily and it doesn't have a bad eye box at all. If the 2.5-12.5 or the 2.5-15 credo are as good as it, I don't think I will have a problem.
I also have several of the Trijicon Credo 3-9 scopes and don't find the eyebox or eye relief on them bad at all.
I just hate to buy a scope and then wind up sending it back, even if it was free to send back.
