I find myself saying that I would shoot the 4x5 because I love 4x4 mainframes. However I think that has got me into trouble before. I think that 3x4 is a bigger buck.
I've had vortex and Swaro spotters. While the Swaro is a touch crispier it is not a huge difference. Now in low light at far distances with the power cranked up you will notice the Swaro is for sure better, but still not a game changer. With binos around 8 and 10 power I feel like there is even...