describe: Highlights Universal brand binoculars 12x42, outdoor HD BAK4 binoculars, suitable for bird watching, camping, hiking, travel, concerts, children's binoculars, adults illustrate: 99.9% refractive index BAK4 prism, thin material, clear image FMC coating, high light transmittance, filtering out stray light 12 times magnification, clearer vision One-hand focusing, convenient and fast, lens dust cover, dustproof Fashionable appearance, comfortable to hold, easy to carry, can be used for adventure, mountaineering, sightseeing, watching, hunting, etc. Specification: Effective multiple: 12X Purpose diameter: 42mm Type/Material: BAK4 8 pieces in 6 groups: number of lens groups and exit pupil Diameter: 4 mm Pupil exit distance: 15.2 mm Field of view: angle: 5.8 The smallest. Focal length: 2m Interpupillary distance: 56mm~74mm Material: ABS plastic Dimensions: 155 x 125 x 53mm / 6.1 x 4.92 x 2.09 inches The package includes: Binoculars 1pc 1pc manual 1pc canvas bag