From low to high power travelers telescope. Low power eight x82, 7 x35, 8 x40, these a few binoculars is small in size, large field of view, easy to carry. Can you travel from place to place easily. There are 10 x50 at high magnification telescope, 12 x50 and 16 x50, these a few binoculars is more professional equipment. View a larger, higher ratio. Help you get further scenery panoramic view.Lens barrel materials according to the requirements of national environmental protection bureau, adopted a new biodegradable rubber casting, the material security environmental protection, full compliance with relevant national standards, and through the SGS certification, not only beautiful, also reduced the pollution to the environment.