I am in the process of shopping for a new set of binoculars. Over the weekend, I compared Nikon ATB against the Vortex Talon (they didn't have the Sidewinders on the shelf). Both were very clear, and did well in low light. Originally, I was looking at the 8x42's, but then the shop owner handed me a set of ATB 8x36's, and what a surprise. They were every bit as bright and clear as the 8x42's, but were 10 ounces lighter with a smaller frame. The 42's had a 6.3 degree angle of deflection, and the 36's had a 7 degree angle of deflection. At about 40 yards, the field of view was the same. The question is whether the 42's have some secret mojo sprinkles that would compensate for the $50 difference?