The Pentax 8x30 AP WP Binocular delivers bright clear images without being over sized or cumbersome owing to its anti-reflection fully multicoated 30mm objectives which maximize light transmission to produce the brightest views possible. Utilizing traditional porro prisms produce scenes with a rich depth of view over similarly sized roof prisms with the added benefit of a larger surface area to give it a comfortable feel in the hand. 8x magnification. BAK4 porro prisms. Anti-reflection fully multicoated optics. 367.5' field of view at 1000 yards.