Elikeable EL Waterproof Super Clear 18x52 Dual Focus Telescope Optics Zoom Monocular Scalable Telescopic 103m/98500m for Hunting, Camping, Surveillance The monocular offers an 18x magnification and a 52mm objective diameter The viewing filed: 103m/98500m Use waterproof design: the mirror is full of the high-purity nitrogen, waterproof and antifogging. You can use it in raining day and humid environment, and have no need to worry about this item The Telescope features Dual Focus which means that you can adjust the zoom in the front as well as in the back of the device MULTI-LAYER BROADBAND COATING TECHNOLOGY- Upgraded ultra-through multi-layer broadband green film, light transmission rate of 95% or more, make you see the scene more realistic The Monocular can be used universally for sporting events, concerts, bird watching, camping, fishing and traveling - whatever comes to your mind