Sakura 80mm Tube 30x-260x160 HD Zoom Day Night Vision High Power Binoculars Telescope Waterproof Professional Binoculars for Adults for Bird Watching Outdoor Travel Hunting Football Games Stargazing with Carrying Case How to set the focusing: 1. Close your right eye and sight an object with your left eye, focus the binocular by rotating the center focus wheel until the image is sharp and clear; 2. Open your right eye and close your left eye, rotate the right eyepiece until the object sighted is sharp and clear (Note the setting of the diopter for later use). 3. Both sides(eyes) are now in focus and you will need to use only the center focus wheel to focus on the other object. .
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