From the Manufacturer:. See it and take it all in, wherever you are. The Ultima 10x42 binocular has a wide 6.5° field of view, just under three hundred fifty feet wide when measured at a distance of 1,000 yards. Its the perfect choice for watching deer trot through a meadow or a home run ball fly into the bleachers without moving your binoculars. But the possibilities dont stop there. Ultima binoculars are great for almost any activity, including sporting events, sightseeing, birding and wildlife observation, hiking, and more!. These classically styled binoculars use their Porro prism optical design to provide optimal image clarity and depth of field. Their widely spaced objective lenses enable enhanced triangulation between binocular and subject, presenting the observer with a rich, three-dimensional image that only traditional Porro prism binoculars can offer.. Coatings and Prisms. Ultima binoculars feature fully multi-coated optics. A binocular can be consideredfully multi-coate