Strange occurrence with Hawke scope

I have/had quite a few Hawke scopes and never been disappointed with them. Some Frontiers, Vantage, Sidewinders and Airmax. All have been very good.

Today I noticed on my 30mm Airmax 10x, that when the windage or elevation is turned too far off center, that the edges of the view are fuzzy. You can actually see the inner carriage is off center and you have to look through the scope slightly off center to see full view, at which point the crosshairs appear off center. You also don't get a completely round view, as the edge is chopped a bit.

This got me to thinking and I immediately checked all of my other Airmax and Frontier scopes and none of them exhibit this fringing behavior when waaay off center. In fact all of my scope checked out not exhibiting this behavior. All the rest, when they were off by quite a bit, you could not tell any difference in the view at all. My SWFA SS scope can be turned like 70 moa off center, and still look perfect. Even my UTG scopes don't show this problem, they are also perfect.

I'm wondering if this has ever been noticed by others?
 
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I notice that you are in USA, but I found that the Canadian warranty depot for Hawke were very helpful with my questions. If you do decide to contact them and they offer insight/explanation, please post it as it may be valuable to many of us.

Ironically, optics was my weakest physics subject, and I can't see how I passed.

I should have asked if you have disassembled a scope. I understood much more (but still not much) about how they are arranged, once I had been inside some. I bought a lens wrench online what allows unscrewing the rings without damage.
 
First, let me admit 'I KNOW NOTHING' about rifle scopes. I did have a similar thing happen to me with a Hawke Vantage 4x32 AO scope. I thought I had broken it. I called Hawke and told them I thought I had broken the cross hairs. They told me to send it in for repair which I did. A week later they called and said I had turned the elevation and windage settings out to far. They reset it for me, didn't laugh at me, didn't charge me and mailed it back free of charge. They were very good to this old man. For my education, could this because it is a fixed power scope.