Features 1、Waterproof and mildew proof, will not be affected by rainy or humid environment in daily use 2、Metal lens barrel with outsourcing rubber, exquisite and comfortable feel, beautiful and generous, fine workmanship, easy to use 3、Multi‑layer vacuum high light transmittance film, possess strong light transmittance and high definition 4、Can be used for bird watching, watching sports games or concerts, outdoor travel, admiring the foreground, etc. 5、Manual adjustment of eye distance, more comfortable to look and feel, rotating focus with non-slip design, single finger can complete the operation 6、The eyepiece adopts FMC broadband coating with high light transmittance, which can effectively maintain the color and increase the color reproduction 7、50mm/42mm large objective lens, optical lens possess high light transmittance, clearer viewing 8、Can be connected to a tripod and use a mobile phone to watch distant scenery. Metal material, strong and delicate Specification Item Type: Binoculars Model: DF series Structure: Binoculars Function Type: Ordinary telescope Purpose: Civilian telescope Material: Metal + rubber Color: Army Green Prism Type: ВАK-4 Magnification: 10 Times, 8 times Eyepiece Diameter: Approx. 26mm / 1in(super large eyepiece design) Objective Lens Diameter: Approx. 50mm / 2in, 42mm / 1.7in Viewing Angle: 8.2 Degrees/5.6 degrees Minimum Focusing Distance: 5.5meter Exit Pupil Diameter: Approx. 21mm / 0.8in, 23mm / 0.9in Field of View: 115meter/1000meter Viewing Distance: 17.1mm Relative Brightness: 25.00 Waterproof and Anti-Fog: Yes DF-10X50 Unfolded Size: Approx. 19.2cm / 7.6in(manual measurement, allowable error 1-2CM) Shrinkage Size: Approx. 18.4 x 18cm / 7.2 x 7.1in (manual measurement, allowable error 1-2CM) DF-8X42 Unfolded Size: Approx. 18.4cm / 7.2in(manual measurement, allowable error 1-2CM) Shrinkage Size: Approx. 17 x 15cm / 6.7 x 5.9in(manual measurement, allowable error 1-2CM) Application: Bird watching, watching sports games or concerts, outdoor travel, admiring prospects, etc. Package List 1 x Binoculars 1 x User Manual 1 x Lanyard 1 x Wiping Cloth(random color) 1 x Binoculars Bag 4 x Eyepiece Cover