unho Compact Size 35x50 Night Vision Adjustable Camping Hiking Hunting Waterproof Monocular Telescope with Hand Strap Single hand operation. Powerful, ultra-compact and ultra-lightweight monocular telescope. This monocular offers an 40x magnification and a 60mm objective diameter. The fully coated optics, meanwhile, guarantee superior light transmission and brightness. Suitable for enjoy beautiful nature helping you see just about any target, whether you're searching for birds or trying to get a better view of the stage.