I've seen the video with Larry Vickers shooting it with birdshot from a 12ga, submergint it in mud, and blowing it up. I will not be placing my optics through that kind of torture, but what I can tell you is, as a photographer, that the optic is extremely clear, and they don't fog up. The red dot is not fuzzy, and it's very easy to see even in daylight. It's very light, and the brightness adjustment clicks are positive. I own a few different red dots, and this one was the most expensive but the quality exceeds the other models by far!
Pros: Clear glass and sharp dot
Cons: Price
This review was written in the old system and had content requirements that are different than reviews written today.