Field of view range: 235FT/1000YDSMagnification: 10-30 timesEyepiece diameter: 22mmObjective lens diameter: 50mmLens coating: FMCPrism material: BAK7Adjustment method: central focusWaterproof grade: life waterproofTelescope material: metal + rubberSize: 184x184x62mmWeight:790gProfessional Hgh Power Zoom Binocular: High resolution binocular with 10x-30x magnification, bring clear and wide field-of-view even in low lights. Great for travel, hiking, outdoor sightseeing, birdwatching, hunting, and more.Large Objective Lens: 50mm objective lens provide clear vision in both bright environment and low light situation. Allow more lights to transmit through the lens and give better field of view.High Resolution Imaging: This binocular is equipped with BAK7 prism and FMC multi-coated lens. Minimize light loss due to reflection. With up to 99.5% light transmission rate, this binocular is capable of viewing objects at night and provide accurate color reproduction.Waterproof: Lens and body of binocular are sealed to prevent water getting inside and prevent fogging lens.10-30 times continuous zoom:you can select the magnification to view distant objects, simple operation, convenient adjustment to achieve the best effect.Rugged Design: The binoculars is protected with durable and shock-absorbing rubber armor. It is suitable to carry in trips and adventures.Package include:1*binocular1*carrying bag1*user manual1*cleaning cloth1*shoulder strap2*eyepiece cover2*objective lens cover1*packing box