The Engage EDX is built for birders who demand the best — ED Prime Glass, dielectric prism coatings, and phase-corrected optics deliver exceptional resolution and color accuracy, even in challenging light. A lightweight magnesium chassis provides balance for long sessions, while EXO Barrier® keeps lenses pristine. Every moment — from a warbler at sunrise to a raptor on the horizon — is rendered in remarkable clarity and color. Backed by the Bushnell Lifetime Warranty, Engage EDX is your window to the wild..