Description: -The fully coated optics, meanwhile, guarantee superior light transfer and brightness, helping you see just about any target, whether you're watching birds or trying to get a better view of the stage. -Single hand operation. -Waterproof zoom monocular with a magnification range of 10X to 25X. -42mm multi-coated objective lens provides bright and clear daytime views. -Very short near focus distance of just 20 inches - like having a microscope in your hand! Specification: Magnification: 10X to 25X Objective diameter: 42mm Prism: Roof BAK4 Exit pupil diameter: 2.75-1.39mm Exit pupil distance: 14.0-9.5mm Field of view ft/1000 yds: 170-128 Apparent angle of view: 3.3-2.5 ° Close focus: 0.5m Coating film: FMC-green Support tripod: Yes Product Size: Approx. 55*55*173mm/ 2.16x 2.16x 6.81 inch Package Includes: 1 piece Monocular 1 piece Pouch 1 piece Lens Cleaning Cloth 1 piece Lanyard 1 piece instructions