Adopts premium material, thesell is sturdy, lightweidht, . Abjustable focal length, magnification and long view distance provide excellent usage experience. Multilayer antireflection green film coated lens, which ensures superior light transmission and brightness for clear images. Compact and ultra-lightweight. Can fit into your pocket or purse, convenient to carry and use when going outside. Versatile for outdoor activities, like bird watching, hiking, climbing, sailing, etc.