Features portable binoculars for beginners, it is the door to enter the astronomical observations tickets. Binoculars are not expensive, you only need to spend hundreds of dollars you can buy a good pair of binoculars up. Per pair of binoculars are marked with a set of numbers, such as 7x50 and the like. The first digital binoculars specifications on the "7" is the "override" the second number "50" refers to the diameter of the lens. Sevenfold model is a best-selling model, will watch the same items closer to seven times each. You can also buy 10x, 16x, you may think that the astronomical use high magnification is necessary, it is not. A pair of binoculars 7x good enough, but then we would have dealt with 7x advantage over most of the high-magnification models. Taiyuan sea breeze Electronics Co., Ltd. The company was established in 2002 binoculars stand, specializing in wholesale and sell telescopes, binoculars, outdoor equipment. Companies in good faith-based, customer-oriented purpose grow Shanxi first telescope brands thirteen years. Sea Tidbits: 7 × 50 is generally considered the most suitable type of binoculars astronomical observations, its exit pupil diameter of 7.1 mm, clear and bright high-definition imaging binoculars, large field of view, generally 6 to 70, and light weight easy handheld observation. With increasing age, the maximum diameter of the pupil gradually becomes smaller. 30-year-old is 6 mm, 40 years of age to only 4.5 to 5 mm. Then using 10 × 50 binoculars are more appropriate. Binoculars offer, Xinzhou binoculars, electronic sea breeze provided by Electronic Appliance Co., Ltd., Taiyuan. Taiyuan sea breeze Electronics Co., Ltd. (www.tyhfdq.com) strong, credible, in Taiyuan, Shanxi telescope industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead you hand into the sea of ??electrons and brilliant, for a better future!