10x useful magnification with 25mm objective lens provide high definition image at 1000 yards out under wide view. Allows you get amazing clear details from the bird watching, wildlife, exploring, without a color-changed or blurred image. Specification: Lens Magnification: 10 Prism System: Paul Prism Material: BAK4 Focusing System: Central Focusing Field of View: 114m / 1000m Exit Pupil Diameter: 0.09 Inch Objective Aperture: 0.98 Inch Product Weight: 0.61 Pounds Product Size: 0.43 * 0.41 * 0.21 Inches What's In The Box: Binoculars*1 HIGH POWERED LARGE EYEPIECE BINOCULARS: This binoculars has 10x magnification, 25mm objective lens and wide field of view, 1000yds, letting you look farther and see wider. Coating with FMC Broadband coating and premium BAK4 prism, it ensure imaging verisimilar. EASY FOCUSING & BRIGHTER IMAGING: The central focusing hand wheel is flexible and convenient to turn left and right to realize the focusing, and the imaging of the large objective lens is brighter. Rotating the rubber eye cup can make the eyes easily locate the correct eye point, separate focusing balance and fine-tuning the difference of bright vision. Only 280g, outdoor travel allows you to feel the natural beauty at any time. FMC BROADBAND COATING TECHNOLOGY: The lightweight cruise binoculars is cover with BAK4 prism texture. The objective lens use optical FMC multilayer broadband green film, and the eyepiece-optical is made of blue FMC coating. All design ensure to provide a good image and make you have a amazing experience. PORTABLE, COMPACT AND SMALL BINOCULARS DESIGN: One hand can be mastered when you use the birding binoculars for opera,bird watching camping, traveling,wildlife watching,football games,cruise or other outside activity, the low light night vision goggles(Not for completely dark night) is more convenient for using and carrying. DURABLE AND LIFE WATERPROOF, COMFORTABLE TOUCH: The pocket size binoculars is not only suitable for men and women,but also suitable for kids.It is wonderful to be a gift on Father's Day and Children's Day.