Bushnell H2O 12x42 Binoculars

-Binoculars.-BaK-4 prisms for bright, clear, sharp viewing.-Multi-coated optics for superior light transmission.-Non-slip rubber armor absorbs shock while providing a firm grip.-Fold-down or twist-up eyecups.-Large center-focus knob for easy, precise adjustments.-Longer eye relief.-Magnification: 12x.-Objective lens: 42mm. Specifications: -100pct waterproof: O-ring sealed and nitrogen purged for reliable, fog-free performance.