8x21 optical binoculars with 8x magnification and 21mm objective diameter, more importantly with a large field of view - 369 feet / 1000 yards, you can see the entire field of vision and easily capture objects. Mini binoculars have a wide and smooth focus knob that makes it easy to adjust the focus to accommodate adults and children. With the precise central adjustment wheel, it is easy to focus on your target and easy to use. Binoculars are great for adults, children, concerts, opera, theater, shows, travel, hiking, camping, sporting events, and bird watching. Binoculars are very compact and can very easily fit into pockets and backpacks, making them easy to carry. Quantity over 3000 by Ocean. We will always be online.