APEXEL 12x50 ED Glass Monocular Ultra HD Multi-Coated Waterproof Monocular Telescope BAK4 Prism for Bird Watching Hunting Camping Product features: 1.Premium ED (extra-low dispersion) glass monocular 2.High Power Monocular;12x magnification gives a visibility range up to 1000 yards. 3.Advanced FMC Objective Lens;23MM large eyepiece clear vision 4.Smart phase correction BAK4 prism 5.Waterproof, Frogproof, Dust-proof and shockproof 6.Portable, easy to use:Equipped with the rubber coating and portable handheld this monocular. 7.Fit for all kinds of smartphone,And its also applicable with 1/4 standard tripod, easily to record and share all wonderful images. Specifications: Magnification: 12X Objective lens diameter: 50mm Eyepiece diameter: 23mm Dusk factor: 22.5 Prism system: Bak4 Prism size: 20mm Prism coating: Yes Lens Coating: FMC Focusing system: center focus Exit pupil diameter: 5.5mm Exit pupil distance: 21.5mm Field of View: 288Ft/1000Yds All-weather protection: anti-fog and waterproof Net weight: About 500g Size: 167*67*84mm (L*W*H, please allow a reasonable 1-2mm error) Features: It can be connected to a tripod Package include: 1 *Monocular Telescope 1 *Soft Bag 1 *Cleaning Cloth 1 *Wirst Strap 1 *User Manual (English) 1 *Eyepiece cover APEXEL 12x50 ED Monoculars: IPX7 professional waterproof, filled with nitrogen: Professional ED lens, one of the best optical lenses: 50mm large objective lens, clearer vision: Bak-4 prism and high-quality FMC lens: Anti slip and shockproof design: Please note : The model backpack packaging in the picture below is for display only, please follow the actual packaging. The best Christmas and birthday gifts for your family: Professional outdoor tools, suitable for hunting, tourism, camping, etc~ Product size and operation: Specifications and packaging: