These Bresser Spezial-Astro 20×80 Porro Binoculars feature multi coated BaK-4 glass and the extra large objective lens allows for brighter, clearer images. The 20x magnification allows you to see both terrestrial and astronomical objects, coupled with reduced stray light, these binoculars help you see further and clearer. They are suitable for eyeglass wearers, thanks to the easily adjustable dioptre and foldable rubber eyecups. These binoculars can be instantly mounted on a tripod as the thread is integrated into the elongated center axis. New and boxed with case and accessories.