The 8x56 Nighthunter Xtreme Binocular from Steiner is a general purpose Porro prism binocular with . This configuration from Steiner's Nighthunter series 56mm large objectives that enable it to gather more light and produce brighter images in low-light conditions. In addition, the 8x56 also features a nitrogen-filled fogproof housing and Sports-Auto focus system that has individual focus eyepieces. When the appropriate focus has been set for the viewer's eyesight, all objects from 22 yd to infinity will remain in sharp focus. The impact-resistant Makrolon composite body has textured rubber armoring that help the observer maintain their grip when the binocular in wet conditions or while wearing gloves.