Hontry Binoculars for Adults and Kids, 10x25 Compact Binoculars for Bird Watching, Theater and Concerts, Hunting and Sport Games

PerformanceMagnification: 10x Objective Lens Diameter: 25 mm Eye Relief: 10 mm Exit Pupil: 2.5 mm Angular Field of View: 6.5 degrees Linear Field of View: 362ft at 1000 yds Minimal pupil distance: 60 mm Maximum pupil distance: 75 mm Night Vision: Low night visionFeaturesType of Prism: Porro prisms Prism: BaK-4 & Fully multi-coated Focus: Manual Eye-cups: Adjustable Material: Rubber Waterproof: Splash-proof Shockproof: 45cm/ 1.48ft Drop Test Audience: Adults kids Specific Uses: bird watching, hunting, sports events, concerts Product Weight: 0.6lb Product Size: 4.33*3.94*1.97 InchesAccessoriesCarrying Strap: 1x, Black Carrying Case: 1x, Black Cleaning cloth: 1x, Random color User Manual: 1x, Operating instructionQuick Start with 3 steps1. Hold the binoculars with both hands and looking at a distant object. Carefully and slowly move the binocular tubes downward or upward Until left and right fields are correctly aligned. You'll See them are forming an oval circle in your sight.2. It's now focused on your left eye and you will have to close your right eye. Look at an object through the left eyepiece with your left eye. Rotate focusing ring until your left eye sees a sharp image of it.3. It's now close to your left eye. Looking through the right eye and right eyepiece of the binoculars, adjust the diopter to focus the image of the object. Rotate the diopter to get the final image.