- HD high-powered binocular: 8X magnification with 21mm objective lens. - Easy to focus: it can be folded to match the distance of your eyes, suitable for both adults and kids. - Wide field of view: fully multi-coated FMC red and blue films increase light transmission for clear, brighter and higher-contrast images. - Single hand operation: more easy and convenient for outdoor using. - Durable to use: rubber coating protects the body from impact and wear