- BAK-4 Prisms & FMC Coating: Experience enhanced image quality with 10x magnification, a 1.8cm eyepiece diameter, and a 36mm objective diameter. The multi-coated optics significantly boost light transmission, delivering brighter images with high contrast and resolution. The BAK-4 glass prisms ensure superior color fidelity, allowing you to enjoy a wider view of the night sky and capture more of a comet's stunning tail. - Quick Adjustment Features: The user-friendly center focus wheel allows simultaneous focus adjustments for both barrels. Large focus knobs ensure precise adjustments, while twist-up eyecups facilitate quick eye relief adjustments for a complete field of view. The diopter on the right eyepiece compensates for any differences in vision between your eyes. - Durable Design: Engineered to withstand harsh weather, these binoculars are waterproof and fog-proof, preventing moisture, dust, and debris from entering. The external non-slip rubber armor provides a shock-resistant grip, ensuring reliable performance in any environment, from humid jungles to snowy landscapes. - Low Light Night Vision: Ideal for low-light conditions, these binoculars deliver clear visibility during nighttime activities, such as concerts or stargazing, without functioning in complete darkness. - Versatile Applications: Perfect for astronomy enthusiasts observing celestial events, concert-goers enjoying nighttime performances, or nature lovers exploring wildlife during twilight hours. These binoculars combine superior optics, user-friendly features, and rugged durability to enhance your viewing experience in various settings.