K&F Concept 12X50 High Power Monocular，Waterproof HD Pocket Monoculars Scope for Adults with BAK4 Prism & FMC Lens- IP66 Waterproof- for Bird Watching Hiking Hunting Camping Travelling, BlackHD MONOCULARS WITH LARGE EYEPIECE Monocular telescope 12X50 with high power magnification. Get a high quality image of 12X closer, 50mm object lens diameter monocular, and a unique pattern 20mm eye lens that provides you with a wide angle view. Perfect for hiking, climbing, hunting, bird watching, ball games, concerts, wildlife watching and scenery. FMC Multi Coated Green Film LensHD dual focus monocular with high quality optics, BAK 4 prism, and FMC