Binoculars & Telescopes

,All Metal Monocular, 10-30X Zoom HD External Universal Telephoto Lens, Outdoor Mobile Phone Dual-Adjustment Zoom Telescope Internal and external materials: the lens body parts are metal, and some parts are elastic rubber Optical Zoom System:Adjust focus/resolution 5m-∞m adjustable focus range; adjust focus/far and near 10-30X adjustable continuous zoom High Quality... ,All Metal Monocular, 10-30X Zoom HD External Universal Telephoto Lens, Outdoor Mobile Phone Dual-Adjustment Zoom Telescope