This 10×42 monocular is especially helpful for the boaters wearing contact lenses or having laser eyesight correction. With this monocular, they need not work hard to balance the eye sight for reading with the other for distance.
It is compact to carry and light to hold steady.
In addition to water proof, it is fog proof with gas filled.
It also has an internal compass with range finder.
No need to take off glasses to use it.
More information on www.SuperSportsOptics.com