GOTICAL 10-90x80 Binoculars for Adults HD Compact Optical Lens Binoculars for Hunting, Bird Watching, Soccer, Tourism, Outdoor Sports, Waterproof, Fog-proof, 20 x 50 They have a center-right rotation to confirm fast focus and easy while allowing both eyepieces to be adjusted separately for even clearer vision. The small binoculars are suitable for outdoor concerts, such as hunting, bird watching, animal watching, camping, soccer trips and much more. They're controlling to observe every detail of your lens and they have a large 22mm lens to capture all the transmitted light. Easy to focus: Rotate the Focus knob on the right side until the right view is clearly visible. Rotate the eyepiece on the left side knob until the left sight is clearly again. Multilayer optics work seamlessly and efficiently to analyze clear focus. Specifications: -> Color: black. -> Material: aluminum alloy, optical glass and rubber. -> Magnification: 10-90X -> Lens Diameter: 2362 in. -> Field of view: 196.9 ft / 3,280.8 ft. Package includes: -> 1 binoculars. -> 1 transport bag. -> 1 cleaning cloth. -> 1 user manual (Spanish language not guaranteed).