The Celestron 71008 SkyMaster Binoculars has a 25x magnification. Its large 70 mm objective lens offers maximum image brightness in low – light and long – range conditions. It has multi – coated optics for a sharp, clear view. A long eye relief of 13 mm is suitable for eyeglass wearers. This pair of binoculars is suitable for astronomical viewing or for terrestrial (land) use, especially over long distances. In addition, it features a high – quality BaK – 4 prism. Features:Brand: Celestron Model: SkyMaster Objective Lens Diameter: 70mm Maximum Magnification: 25x Weather – Resistant Optical Design Porro Prism Lens Coating Multi – Coated Type: Binoculars Item Weight: 1474.2g