Top-quality waterproof, nitrogen-filled observation binocular with individual eyepiece focusing. Features Helical focusing without eyepiece rotation! Designed for medium-to-long-range terrestrial and astronomical observations. Incorporating oversized BAK-4 prisms and a fully broadband multi-coated optical system. Designed for long-range terrestrial and astronomical observations. Top quality triplet objective lenses provide semi-apochromatic optical performance. Supplied with pairs of 25x (f24.5mm) and 62x (f10mm) interchangeable eyepieces, but can be used with many standard 1.25" astronomical eyepieces, making this instrument highly versatile for astronomical use. Features built-in lens hoods, finderscope shoe, 7x50 Finderscope and carrying handle. High quality precision all-metal construction. Supplied with heavy-duty hardwood tripod and integral steel tabletop tripod. Binocular supplied in foam-lined aluminium storage/carrying case.