Rugged binoculars that are ideal for long range observation. A great tool that was designed using superior quality optics. Fully multi-coated optics deliver bright high-contrast images. Magnification x Objective lens: 10x 50mm. Eye relief 10mm. Exit pupil: 5.0mm. Field of View at 100yds: 341. Prism system: Porro. Prism glass: BK-7. Lens coating: Multi-coated. Close focus(ft): 20/6. Can adapt to a tripod. Eye cups fold down.