Fully multi-coated optics and high precision BAK-4 prisms enhance the optical quality with maximum contrast and color rendition, providing high definition views. The binoculars offer state-of-the-art design with a modern open frame style and a rugged aluminum main body with rubber covering for additional protection . Twist up eyecups provide easy adjustment for your eyes along with waterproof /fogproof protection when out in damp environments. Magnification: 8 x 42. Not Recommended for ages 12 and under.