ALL WEATHER DESIGN: The 15x50 binos have a tough, all weather design that is certified to JIS 4, meaning that they will keep you going during use in challenging environmental conditions. A few knocks and scrapes or heavy rain won’t hold you back. 15x MAGNIFICATION: Canon optics produce outstanding 15x magnification, getting you closer to the action while the Image Stabilizer keeps the subject steady. Keep the subject in view thanks to the wide field of view. STEADY OBSERVATION: Canon's Image Stabilizer (IS) technology is the same that is used in the making of its EF lenses. Get ready for reduced shake, clearer images and reduced eye strain - even while using the binos from a moving vehicle. RELIABLE IN TOUGH CONDITIONS: The tough, compact and robust build of the 15x50 binoculars makes them well suited to use in harsh conditions and for use as marine binoculars, sailing binoculars, night sky binoculars, birding binoculars and for shipping, sailing and more, COMFORTABLE & DURABLE: Comfortable, rugged build quality means you can use the binoculars for extended periods with minimal eye strain.