Poldr 8X21 Mini Pocket Folding Binoculars For Concert Theater Opera. Small Lightweight Small Binoculars: You can throw them into your backpack each day without hesitation. The mini pocket binoculars are totally worth the tiny amount of weight they add to your pack. They weigh less than your cell phone. Compact Binoculars Clear vision: 8x21 optics binoculars with a 8X magnification and objective lens diameter of 21 mm, What's more is with the large field of view-369ft/1000 yards, you can see the entire visual field for capturing objects easily. Easy on Focus: Just adjust by Smooth "center-focus knob" and right eye lens. The folding binoculars suitable for both adults and kids binoculars. Compact Binoculars with BAK4 prism which can 100% reflect the light to keep a good image (while don't forget to adjust the knobs to fit different view distance),made of Mg body and hand figured polishing Application: Perfect for adults, kids, concerts, theater, opera, plays, shows, travel, hiking, camping, sport events, bird watching , etc. The binoculars come with their own neck strap, cleaning cloth and carrying bag.