Binocular Fujinon Mariner 7×50 The Fujinon Mariner 7×50 is a lightweight, affordable, and durable Porro prism binocular designed specifically for boating, featuring nitrogen-purged waterproof/fogproof construction. With multi-coated optics and18mm eye relief, these rubber-armored binoculars float when used with the included strap. Check out our other Mariner 7×50 model that includes an illuminated compass!
