【42MM LARGE OBJECTIVE LENS】12X magnification and 42mm object lens diameter monocular, provides a clearly, bright image and different fields of view, Perfect for Hiking, Hunting, Climbing, Bird watching, Ball games, Concerts, traveling, Watching Scenery.【BAK4 HIGH LIGHT TRANSMISSION PRISM】This monocular uses the BAK4 , FMC Lens, its FMC(fully multi-coated) film aspheric lens provides ior light transmission, contrast and quality. It can be used at night, but not in complete darkness. Suitable for concerts, opera, sightseeing and astronal viewing. transmittance, transparent and bright imaging.【COMPATIBLE WITH SMARTPHONE】Handheld telescope has a phone holder and a tripod to help you record and share unforgettable moments with friends. With a retractable eyecup, users with or without glasses can get best vision.【EASY TO FOCUS AND HOLD】Monocular telescope for smartphone is lightweight and palm-sized, coupled with design, enabling you to focus on target with single hand quickly and accurately. Non-slip rubber outer with a hand strap makes it comfy to hold for long hours and avoids slipping out.【WIDE APPLICATION】The monocular Suitable for all family members, adults for outdoor activities such as climbing, hiking, hunting, concert, a football game, watching wildlife and scenery.