Power to the mariner!Oceana Series 7x50 center focus binoculars feature a completely waterproof design. They're dry nitrogen-charged and sealed with internal O-rings to prevent internal fogging so they remain unaffected by climate and temperature changes. Easy-to-grip The 7x50 incorporates a large objective diopter ring for smooth and precise focusing.For lens-cleanliness with convenience consider pre-moistened lens towelettes.
