MINOX ZA riflescopes are designed in Germany and assembled in the USA. Each riflescope is crafted from lightweight, incredibly tough aircraft-grade anodized aluminum and features standard one inch mono-tube construction for easy, low-profile mounting. MINOX ZA riflescopes are waterproof and system purged with inert argon gas to prevent fogging on inner glass surfaces and provide corrosion protection for critical precision mechanisms. And each is covered by the MINOX comprehensive no-questions-asked warranty with service provided in the U. S. Minox ZA 5 HD 5-25x56 SF Mino-Plex Riflescope 66470