| Features: 40mm multi coated lens with 10x to 300x magnification delivers larger field of view, and clearer long-distance viewing. Boasting BAK4 prism, fully multi-coated(FMC) quality optical lenses improve image clarity, brightness, and eye relief. Twist focusing ring to adjust the focal length, and the monocular is retractable to control its definition. Compact, durable, and easy to grip. Suitable for travel, birding, spectator sports, concerts, or enjoying scenery. Phone mount and tripod let you stably stream and record your findings with your phone. Comes with a lanyard , cleaning cloth, and carrying case. What Are These Numbers Mean ·10-300×40mm: 10-300 is the magnification, which means wh… | |