MINOX ZA 5 2-10x50 Zoom with Mino-Plex Reticle 2x to 10x variable zoom with 50mm objective lens. 16.3 ounces High-tech glass from Schott, the legendary German glass pioneer Argon-purged water and fog proof design Durable lightweight aircraft grade anodized aluminum construction MINOX Lifetime "Total Coverage Warranty"