12x42 HIGH POWER MAGNIFICATION: The high power monocular telescope has 12X magnification, its farthest field of view is 1000yds/3000ft. Let you get closer to the animals and be in the middle of the scenery. Moreover the objective lens diameter of monocular telescope is 42mm/0.14ft which allows more light to enter the telescope. so you will get the best view on your outdoor adventures.99.5% HIGH LIGHT TRANSMISSION: The monocular telescope for adults is equipped with BAK-4 prism and fully multi-coated lens(FMC), which can ensure superior light transmission and brightness, so the light transmittance reaches up to 99.5%. The prism glass size is 16.5mm/0.055ft and the eyepiece lens diameter is 22mm/0.07ft, and they can provide more light for the monoculars, reduces chromatic aberration and shadow, give you a clear and bright vision.WATERPROOF AND ANTI-FOG: The armor material of monocular telescope is environmental protection rubber (NBR+PVC), its internal lens body material is plastic steel and metal. Therefore this monocular telescope has excellent waterproof and anti-fog functions, and making it suitable for a variety of harsh environments. (Note: It can not be used in a heavy rain for a long time or soaked in the water.)EASY TO USE & WHAT YOU GET: A portable hand strap, a soft velvety bag, a cleaning cotton cloth and a user manual will come with the HD monocular telescope. The hand strap is easy to hold by one hand. It is simpler and more convenient than a mobile phone holder. The portable flannel bag will be very convenient for you to carry your monoculars with you, and take it out whenever you see the beautiful scenery.WIDE APPLICATION: The 12x42 monocular telescope is perfect for bird watching, hunting, traveling, hiking, camping, ball games, concerts, watching wildlife and many other occasions. Its dimensions is 0.5(ft)x0.18(ft)x0.23(ft) and its weight is 9.2oz.