Just seeing what m7 owners out there think of them, I just got one that I have been playing around with more. I don’t have a ton of time behind it yet. Overall I like it a lot. But my sample has a slight tunnel effect from 4-maybe 4.5 or 5 power then goes away. Razor sharp until about 12-16 power. Then loses a lot of clarity and brightness then on up. Not that I care that much I don’t really use that much power very often just was hoping for a little more. Checking to to see if others have similar results.