I'm going to start off by saying I really like the Athlon Cronus 15x56 binoculars. I spent about 25 minutes spotting this evening while a buddy was shooting his 223 Remington. The closest target is 294 yards and the orange gong was 695 yards.
As you know, pictures through optics are never as good as they are in person. Please don't judge the binos performance based on the attached picture.
Conditions were 92* and 58% humidity. Mirage was easily seen and trace was easily picked up as well, despite my buddy shooting a 69gr bullet.
The binos offered a bright, clear image and excellent edge-to-edge clarity. I found them easy to get behind even while wearing glasses (I had to turn the eye cups all the way in). They came in a nice, padded hard case that included a tripod mount. These will be replacing a pair of Bushnell 8x42 Legend HD with ED prime glass. The FOV is a bit narrower on the Cronus, but its not missed in the style of shooting I partake in.
Here is a link to a video taken through these binos. Be sure to have your device set to its highest resolution.