Available NOW! Vanguard Spirit XF 1024 Binocular Spirit XF 10x42 binoculars outshine other optics in its price class. Spirit XF offers outstanding image quality, weather resistance and user-friendly features! Expect edge-to-edge clarity, high-contrast images and brilliant color reproduction thanks to its BaK4 roof prisms and lens coatings. 100% waterproof and fogproof, Spirit XF is made to take on the outdoors and challenging weather with textured rubber armor for a secure grip and shock resistance. Spirit XF has a unique open bridge body design so its lightweight, compact and comfortable to use all day without tire.