Multi layer coating on the whole surface: the bright color of the field ofis more real, the telescope objective is high-quality glass lens, the multi-layer coating on the whole surface can effectively improve the optical performance of the lens, and the imaging can restore the real sharpness. Asphel eyepiece: with a wider field of vision, the customized asphel eyepiece 2m (21.7x) and 10 mm (50x) have 60 degrees of viewing field angle, bringing a more shocking visual experience. Portable backpack: it's a journey of expl stars on the go. The exquisite backpack makes you easy to carry when you go out; the built-in pearl cotton better protects the telescope; the double webbing handle makes you more comfortable to hold. Scale adjustment: the design makes the observation arbitrary. With the close fixed-point scale design, you can easily adjust the telescope to watch near water, distant mountains and stars with only one number. Ultra high quality assurance: We are all good products. It's great when you buy other cheap products, but When using it is not happy every day. The expensive products you buy now are not happy, but Every use it is very enjoyable every day. We are the latter