Ex-Demonstration High quality waterproof observation binoculars, with individual eyepiece focussing, designed for long-range terrestrial and astronomical observations. Incorporating BAK-4 prisms and a fully broadband multicoated optical system. Features a central stabilising bar with sliding tripod adaptor, for optimum balancing on tripod. Finished in Leatherette and supplied in foamlined Aluminium storage/carrying case. Specification 20x80 Magnification 20x Object Lens Diameter 80mm Exit Pupil Diameter 4mm Field of view 2.99° Nearest Focus Distance 12m Weight 2.4kg