Quality to open your eyes to a whole new world. Designed for those who want mid-level optics without sacrificing essential features for great outdoor activity use, patented Sereno binoculars boast quality and design excellence. Sereno's lenses and prisms receive multiple layers of advanced technology coatings. The result? Noticeably minimal light loss, superior contrast, crystal clear images and richer colors. Waterproof and fogproof, Sereno enables continued observation despite the elements. Constructed of durable magnesium alloy, Sereno maintains a lightweight design, so you can spend more time enjoying great observation moments.