Leupold Cascades 10X42Mm Binocular Black 53532 Rugged hunting binocular in black with 10x magnification and 42mm aperture Multi-coated lens system ensures maximum brightness for clarity, contrast, and color fidelity Generous eye relief and twist-up eyecups for comfortable extended viewing Close focus distance of 10 feet; 5.1 degree field of view; 20.5 twilight factor rating Waterproof; backed by limited lifetime warranty