BESTEK® High-powered 8×40 Compact Binoculars Outdoor Binoculars Waterproof Folding Roof Porro Prism Binoculars Wide Angle Binoculars for Bird Watching, Hunting and Games with a Quick Central Focus Knob System

IPD Adjustment : • Set the interpupillary distance by grasping the binoculars body and bending it until you can see one circle of view. Focusing: • Close your right eye and sight an object with your left eye. Focus the…