Super clear vision, ultra wide view angle all-optical eyepiece lens with multi-coated Porro prism and a quick central focus knob system giving sharp and clear viewing. Adjustment: set the interpupillary distance by grasping the body and bending it until you can see one circle of view. Handy fold-down eyecups keep prescription glasses and sunglasses from scratching. Rubber-armored coating body makes them easy to hold and grip, and the focusing dial has the right amount of resistance. The roof prism is comfortable against eyes. Great for watching bird, wildlife, football games and amazing for the outdoors, camping, hiking and other activities. Lightweight, pretty well built, and sturdy. Focusing: 1. Close your right eye and sight an object with your left eye. Focus the binocular by rotating the center focus knob until the image is sharp and clear. 2. Open your right eye and close your left eye, rotate the right eyepiece until the object is sharp and clear. 3. Both sides (eyes) are now in focus and you will need to use only the center focus knob to focus the object. Feature: Aspherical eyepiece lenses with multi-coated prisms Nitrogen-filled waterproof (JIS Class 6) construction Aluminum-diecast body adds strength and durability Long eye-relief for viewing with or without glasses Mechanical focus lock feature allows user to lock in at a specific distance for convenient focus-free viewing Click-stop diopter adjustment locks in right eyepiece diopter setting Package. included: 1* Binocular 1* Clean cloth 1* Lanyard 1* Bag.

• UV protection to protect eyes against the sun's harmful rays.
• Aspherical optics guarantee a plasticity and distortion-free view.
• Large, Centre-focus knob for fast and easy focusing Wide-angle field of view.
• Anti-reflective lens coating for better image brightness.
• Multicoated optics guarantee superior light transmission and brightness.

UV protection to protect eyes against the sun's harmful rays.HUTACT