Binoteck 10×42 Binoculars for Adults – Professional HD Roof BAK4 Prism Lens Binoculars for Bird Watching, Hunting, Travel, Sports, Opera, Concert, with Carrying Bag (1.0 lbs)

Here's how to focus: 1: Close your right eye-focus with the left and rotate the central knob until the image is clear. 2: Close your left eye-rotate the right eyepiece knob until the image is sharp and clear. 3: Bend the binoculars until you can...