Very clear at all powers. Large and heavy so not ideal for hunting - I only do bench target shooting so weight is no concern. I did not do a box test to see how it tracks. Definately holds zero perfectly. 56mm objective helps get a larger exit picture to make it easier to see. The mil-dot cross hairs are nice and thin so they do not obscure small targets at lower power. Clicks are crisp and feel solid. I have it on a 6.5 Grendel custom bolt rifle. The 35mm tube should allow a large moa adjustment. The included rings are nice quality. There are plenty of other 35mm rings if you want them. Lens shade and flip open covers are handy. For around $430 delivered it is a very good buy.
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Great Scope
November 22, 2011
Reviewer:
Steve
from Las Vegas
This is a great scope, however IT IS NOT ILLUMINATED. I'm showing my ignorance here, but the BK81004 (this model) is not illuminated contrary to what I thought.
This scope has great clarity through many different eye reliefs. At high magnification, it is easy to find the huge turret knob and focus it.
The rings that came with this scope are very tall. Instead of buying new rings, I bought an adjustable cheek piece which fixed it, but again, they are very tall!
Lastly, this scope is MADE IN CHINA. It wasn't a breaking factor for me, but some it is nice to know since it is hard to ascertain this information.
Good Optics - Good Price 
Great Scope