This high quality, ergonomically designed 42mm aperture waterproof monocular provides a powerful magnification range of 10x-25x. Eye relief varies between 14mm-9.5mm and field of view varies between 6.7 to 5.8 degrees.
The Helios Voyager monocular also features fully multi-coated optics and high-index BaK-4 prisms. Nitrogen filled for waterproof and fog-free viewing. Superb near focus performance from as little as 50.8cm (20"). Fold-down rubber eyecup for spectacle wearers.
Supplied with neck strap and case.