These zoom binoculars get you an outstanding 18x closer to your subject, letting you see your subject in excellent detail, while Porro prism II and Super Spectra coating ensures that the image is in high resolution with clear colour rendition. Built for tough environments, the all weather design is great for use at sea, in maritime industries, while fishing and sailing and more, especially as the in-built Image Stabilizer offers a super steady image. Finally, the wide field of view means you can easily spot your subject, while the comfortable design reduces fatigue during extended use.Get 18x closer to your subjectThe exceptional magnification on the 18x50 high zoom binoculars gets you 18 times closer to your subject, letting you see the smallest object in stunning detailWill beat tough weather conditionsThe tough, weatherproof design is certified to JIS 4, meaning they are built to keep on going during all weather environments. Enjoy as marine binoculars, sailing binoculars, low light