This trailseker binoculars is robust, compact and with perfect performance. Best optical performance, ideal for demanding observations. Technical data: - 10 -fold enlargement - 4.2mm exit pupil - ED glass lenses - fully compensated optics - phase- and dielectric prism coatings - waterproof and nitrogen -filled - image angle 6.5 ° - visual field at 1000m = 114m supplied accessories: case, lens & ocular cover, wearing straps, Tripfish, cleaning cloth, operating instructions.