This trailseker binoculars is robust, compact and with perfect performance. Best optical performance, ideal for demanding observations. Technical data: - 8 -fold enlargement - 5.25mm exit pupil - ED glass lenses - fully assassinated optics - phase- and dielectric prism coatings - waterproof and nitrogen -filled - image angle 8.1 ° - field of vision at 1000m = 142m supplied accessories: case, lens & eyepiece lid, wearing belts, Tripfish, cleaning cloth, operating instructions.