The Sports & Marine are Nikon's premium waterproofed/fogproofed porro prism binoculars for boating, housed in a rubber-armored body. They have Nikon's Ultra Clear Coat multicoating process for 95% light transmission. With its broad 7.1mm exit pupil and 18mm of eye relief, the 7x50 gives an easily-observed image no matter the conditions of lighting or sea.

All of Nikon's binocular line is backed up by the No-Fault lifetime warranty. Regardless of what happens to your binoculars-even of your own negligence-Nikon will repair or replace (at their option) your binocular for just $10 plus the return shipping costs.