The for BOSTRON telescope is designed entirely for the needs of outdoor sports, with reliable quality and meeting the diverse requirements of outdoor activities.<br> Ensure higher brightness and contrast comprehensively, especially in dim environments, More details of the scenery can be seen than ordinary telescopes.<br> Coated prism, clear imaging: BAK4 coated prism ensures clear and bright image quality even at the edges.<br> Anti mold and anti fog, can float on the water surface: Nitrogen filled, waterproof, mildew proof, and fog proof are completely suitable for outdoor environments.<br> Short tube design, can float on the water surface, Built in distance measuring and dividing board, specially designed distance measuring and calculating ruler. Comprehensive multi-layer broadband anti reflective (green) film, realistic color reproduction.<br> Type:Binoculars<br> Adjustable Magnification: Not adjustable<br> Effective caliber (mm): 50<br> Field of view ft/1000 yds: 396<br> Prism material: BAK4<br> Exit pupil diameter (mm): 17<br> Relative brightness: 50<br> Exit pupil distance (mm): 24<br> Waterproof, anti fog, and shockproof: Yes<br> Recent observation distance (mm): 4<br> Footstand interface: Yes<br> Specification:7X50<br> Colour:Army Green<br> Material:engineering plastic<br> Package Contents:<br> 1 x Binoculars<br> 1 x eyepiece cover<br> 1 x Bag<br> 1 x English manual<br> 1 x shoulder strap<br> 1 x mirror cloth<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store