The Brunton 15 x 51mm Eterna Highpower Binoculars sport the high Power 15X zoom - one of the highest fixed-power binoculars that Brunton's build. The real benefit is experienced while viewing long distance subjects. The benefits of big glass are often overshadowed by the enormous weight of most binoculars, but not in this case.
This Eterna is lightweight and nimble, making it desirable for a long haul. Get a sharp image with the help of BaK-4 prism glass. It has a state-of-the-art phase coating and a readiness to get the job done when it counts the most. Aside from all the bells and whistles, this binocular is a trooper through and through.