Building on the successful foundation of the award winning Endeavor ED binoculars, Endeavor ED II brings Vanguard Optics to another level. The Endeavor ED II series offers the latest Vanguard optical technology enhancements including premium Japanese HOYA ED (Extra-low Dispersion) glass with edge-to-edge clarity that enhances light transmission. The Endeavor ED II series has a redesigned look and feel. This new series of optics are nitrogen purged to prevent fogging and are completely waterproof and shockproof. The magnesium alloy body offers exceptional strength and stability, and the ergonomics and open-bridge design allows for comfortable use in any situation. Vanguards Premium HOYA ED glass stands above the competition with elite color fidelity and elimination of chromatic aberration in the most challenging viewing environments. Twist-up eye pieces feature 3 levels to accommodate eyeglass users and a right side locking ocular diopter control provides customized optical tuning. Endeavor ED II comes complete with a carrying case, lens caps, and neck strap.