I just bought the Ares BTR 4.5- 27 from CL and quite honestly I'm really disappointed! Above 20x I CAN'T get a clear eyebox picture. If I don't have my head EXACTLY, perfectly, centered it clouds up. I've got a Burris 3-15 XTR and a 5-25 XTR and was told this would compare to them. I know the Burris scopes aren't the best and not well thought of here but they work for me. In a side by side comparison with the 5-25, both set at 20x, the Athlon isn't as clear and doesn't seem like magnification is as much as the Burris. Got to focus(squint?) a little more to get the same picture. I puchased the Athlon for a future rifle purchase but now I don't know what I'll do. Seemed like the thing to do at the time! Greg