So, I love my 5-25 ATACR as well... it is super sharp and the contrast and color on mine is great as well.... I have had a few 4-16s, a 7-35 and I currently run a 4-20 on my work rifle, and my 5-25 is not behind my 4-20 in any way that I have noticed.
I also have several 5-25 PMIIs, a 5-25...