VISIONKING K10-25X42 Monocular 25X Magnification HD Lens BaK4 Prism Telescope Night Vision for Bird Watching Hunting Camping •With 12x to 25x magnification and 42mm diameter objective lens,it can provide clear and bright images •Large BAK4 prism and fully multi-coated lens,waterproof and dustproof,ensure high light transmittance,delivering brighter and high contrast images •Enjoy the wide field of view and enjoy the beauty of the distance,so as to get the best view of outdoor adventure •The compact monocular telescope is small in size and can fit into a bag or luggage case •The rubber shell provides protection from slip and dust •It is very suitable for bird watching,hunting,hiking,camping,sightseeing,concerts,etc Specification: •Item number: K10-25X42 •Magnification: 10x - 25x •Objective lens diameter: 42mm •Prism material: BaK4 •Exit pupil diameter: 2.75 - 1.39mm •Exit pupil distance: 14 - 9.5mm •Close focus: 0.5 m •Tripod mount: built-in •Lens coating: FMC (green) Package included: •1 x Monocular with Lanyard •1 x Storage Bag •1 x English User Manual •1 x Warranty Card •1 Pack x Desiccant •Other things not included