Compact Waterproof High Definition Monocular Telescope for Adultsbr/ br/ Specifications:br/ br/ Model: 12×50br/ br/ Objective lens diameter: 50mmbr/ br/ Eyepiece diameter: 15mmbr/ br/ Magnification: 12×br/ br/ Field of view width: 211ft/1000ydsbr/ br/ Exit pupil diameter: 2.5mmbr/ br/ Net weight: 270gbr/ br/ Product Size: 15.5*5.5*7 cm(6.1*2.16*2.75 inch)br/ br/ Prism: BAK4br/ br/ Objective lens coating: FMC broadband multi-layer coatingbr/ br/ Material: Environmental protection leather,ABS plasticbr/ br/ Give him/her this gift of Monoculars and show him/her around the worldbr/ br/ Christmas is coming, the time to exchange gifts with each other.What kind of gift do you want to give to the other party provides you with ideas.br/ br/ Monocular Scope are very suitable for adults and kids to use.It satisfies people's curiosity and desire for science. It can break through di, transcend the limitation of space, and explore the world that was unknown before. is not just a tool, it is a creative gift for Christmas,and a way for you to express love to each other.br/ br/ No matter how bad the weather is, it can be used normally:Rainy/Sunny/Dark/Foggy