I have had a couple of the Legend Ultra HD's, and while the center-field resolution is very good, the field curvature across the whole of the image makes them look (to me) like you are looking at a fuzzy target with two distinct curvature rings.
I had 2 different samples as well. I had the exact same issue, and while I loved the ergo's and center sharpness, for me the edge of the field was fuzzy.
One had a small ammnt of slop in the focus wheel as well.
The outer one is generally not a problem, but the inner one makes it look like looking through a fuzzy inner tube.
I'll be honest, I didnt notice/distinguish 2 different rings. Steve's got a
hair more experience w/ glass that I do though.
For me it was a deal breaker.
+1 I kept the sightron 8x32 and the Theron 8x32, which are basically sisters.