The Antique R & J Beck London 1857 Brass Nautical Monocular Telescope is a mid-size monocular with a 20mm objective lens diameter and a maximum magnification of 5x. This Galilean optical design monocular is ideal for opera glasses, hunting, marine, and birding applications. Crafted in India by SUGRA ART, this black monocular weighs 250g and exudes a vintage charm and functionality for a variety of uses.
