The Centergy Air integrates all the accuracy enhancing features of the Prime Centergy, but it sports a lighter riser and a more streamlined grip perfect for ladies. If you have a lot to pack and a long way to go, or you simply prefer a lighter bow, the Centergy Air is your new companion.
Magnification is also sometimes called the power of the binoculars â binoculars labeled as 8-power have eight times magnification. Most optics have clearly labeled magnification, usually on the large focus wheel between the two long barrels of the binns.
Exit Pupil. In our initial rollout, all TRACT binoculars have a 42mm objective. The lower the magnification, which in our case is 8x, means the larger the exit pupil. That, in turn, results in a larger light path to your eye. Think of the exit pupil as a window - the larger the window, the more light allowed to come in.