3x28 Outdoor Hand Free Magnifier Glasses Fishing Binoculars High quality optics for a comfortable observation,Magnification: 1-3 times Adjustable field of view: 13 degrees Objective Diameter: 28MM Lightweight and ergonomic design, very comfortable and convenient to carry. Dimensions: 5.12 x 1.22 inch / 13 x 3.1cm/(L x W). Glasses-style design, to ensure a good stability,Easy operation , observe need not handheld, need not when can be hung in the chest (with a rope ) This Telescope is in exquisite appearance, fine structure, very comfortable to wear,durable, practical, is the best choice for fishing enthusiasts