Bresser 15x70 Special-Astro Binoculars for astronomical and landscape observations Fully multi coated optics Foldable rubber eyecups give eye glass wearers the possibility of making the best use of these optics’ field of view and provide a guard against stray light entering incidentally from the side. 15x70 Binoculars Binoculars BRESSER Spezial Astro 20x80 ED - Queespadas Binoculars Astronomy Bresser Spezial Astro Binoculars Whilst most can be also used for long-range terrestrial observation, the series of Bresser Spezial Astro binoculars are the companies main line of Astro centric instruments and at the time of writing consists of five separate models Waterproof and nitrogen filled against fogging Due to fully multi coated Bak-4 glass material, the extra large objective lens diameter and highly corrected eyepieces with 5 lenses in 3 groups these binoculars provide bright, crisp images from edge to edge. Bresser Special-Astro 20x80 Porro Binoculars - Bresser Special - Cogo Archery Land Magnification: 15x / objective lens diameter: 70 mm