Lalizas 31317 Binoculars Auto ‘Sea Nav’ SAF 7 X 50, is a light and easy-to-use set of binoculars that will help you in your navigation during your cruising. The Binoculars Auto ‘Sea Nav’ SAF 7×50′ combine perfectly 7x magnification power, ruby red coating of the objective lens filtering out red light, and Porro K9 prisms for brighter images. Additionally, it offers the convenience of the auto-focus, with a wide field of view of 400ft at 1000 yards also features foldable eyecups for those viewing with eyeglasses. Its rugged construction with rubber armoring will protect the binoculars, and offer you a better grip, even when the hands are wet. The Sea Nav SAF 7×50 comes complete with a strap, pouch, and covers for the lenses.