Ultra-premium mid to long range binocular utilizes the unique and efficient Abbe-Koenig prism designed to produce the highest in light transmission and brightness. - The ZULU9 combines our premium Abbe-Koenig prism system with our industry-leading HDX optical design for up to 95% light transmission delivering extreme brightness when it counts in low-light and twilight hunting and viewing conditions - For enhanced ruggedness and durability this 45 mm binocular incorporates a magnesium housing surrounding the fully multi-coated Abbe-Koenig prism system - Multi-position twist-up eyecups create generous eye relief while the durable rubber armor further protects the ZULU9 with an ergonomic non-slip grip design - Dependable waterproof (IPX-7 rated for complete water immersion up to 1 meter) and fog-proof performance - The ZULU9 is tripod-compatible and also includes tethered objective lens covers a deluxe neck / shoulder strap lens cloth and a premium padded ballistic nylon case - The ZULU9 is covered by SIG SAUER's INFINITE Guarantee and Electronics Limited Warranty