10X42 Portable Binoculars for Adults,HD FMC Wide Angle Nitrogen-Filled Waterproof Binocular Birds Watching Hunting Sports Monocular Telescope

Product Settings Magnification: 10X Objective lens diameter: 42MM Product specifications: 16.3 * 12.8 * 5.5cm Exit pupil diameter: 4MM Exit pupil di: 18.5MM Net weight: 660g Prism coating: FMC coating Prism type: BAK4 Recently in focus: 2.5M How to maintain the telescope: 1. When wiping the lens, use the attached flannel or other soft and clean cloth. It is recommended to use a special lens cleaning cloth; 2. Keep the telescope in a dry environment, it is recommended to keep it with a desiccant 3. It is recommended not to use a telescope on windy sandy and wet weather, wind sand and water vapor will cause damage to the telescope lens 4. Do not directly observe the sun with a telescope. The intense sunlight focused by the telescope is like a magnifying glass concentrating light, which will burn your eyes;

• The BAK4 high refractive index prism has bright, clear images and a sharp contrast that gives you all the details of the object.Large Field of View: Focusing in on your target for brilliant detail at 1000 yards out. Coating with FMC Broadband coating and premium BAK4 prism, it ensure imaging verisimilar.Ultra sharp focus:Large center focus knob for easy focusingComplete Multiple