Leica 20 Ultravid BR compact binoculars with 8x magnification are brighter, sharper and more rugged than many other glasses with this lens diameter. Hardly larger than a first-aid kit, the binoculars barely add weight and feature convenient dimensions, a focusing wheel with maximum grip and impressive optical quality, thus making them most compact and extremely lightweight. Brighter and sharper than most other binoculars of 20mm lens size, these compact Ultravid BR model is true to the high standard of the Leica Ultravid class. Being extremely sharp and giving crystal clear vision, these 8x20 Ultravid BR binoculars are perfect for birding during the hiking season. Main features: Exit pupil: 2.5 mm Twilight factor: 12.7 Field of view at 1,000 yds/m: 341 ft/113 m Eye-relief: 15 mm Eyepieces for eyeglass wearers: yes Waterproof up to 16.5 ft/5 m