Vanguard binoculars are introducing the new endeavor ed ii binocular series which feature outstanding japanese ed glass an ergonomic comfortable open bridge design with light weight magnesium body complete with a premium lifetime warranty experience bright edge to edge clarity and true life colour throughout an outstanding field of view the endeavor ed ii features adjustable 3 level twist out eye cups along with a locking dioptre rrall endeavor ed ii models are nitrogen purged to preven