The Orangemarine 7×50 binoculars with compass floating are designed to help you permanently in your inshore and offshore sailing programs.
These binoculars are waterproof, floating and frog (inert gas) are equipped with a magnetic compass illuminated liquid damping with 360 ° graduated all levels rose.
The reticulars scale miles from the eye and the calculator to assess your distance to an objectif if you know its size, and vice versa.