10-30x40 HIGH POWERED MAGNIFICATION Upgraded 10X to 30X magnification, provide more wider, clearer and brighter scene in your eyes. Adjust the magnification of this zoom monocular according to your need, it will give you a visual fidelity to see the wonderful world.UPGRADED LARGE COMFORTABLE OBJECTIVE LENS AND EYEPIECEThe monocular telescope has used BAK4 prism with FMC green film and HD blue film, Upgraded 20mm ocular lens and 40mm objective lens ,largely broaden your horizons, will not have limitation of vision.WATERPROOF FOGPROOF DESIGN Made with aluminum alloy and rubber material, high-purity nitrogen is filled with the compact monocular optics internal, prevents dust from getting inside the monocular.So that the HD monocular has waterproof and fogproof feature for any weather and any environment.AMAZING CRYSTAL CLEAR VIEWFor Dual focus design, high light transmission, the focus spotting scope can provide a brighter and higher-contrast images to you. The eyecup can be twisted up to deeply focus the view for yourself, and then adjust the focus adjustment and zoom adjustment until the view become clear.COMPACT SIZE WITH WIDE VIEWThe high power monocular is only 153mm high, super compact and enough to put into the pocket, convenient to carry for everywhere. Wide field of view 419ft/1000yds(128m/1000M), it will show you a clearer and farther view, good for bird watching, hunting, hiking, or sightseeing etc.