The Big Sky line features Enhanced Definition glass that ensures the highest edge-to-edge fine contrast and resolution available. They also include our new Climate Control Coating on external glass surfaces and are enhanced by our 7-layer Zact-7 Revcoat multi-coating on all internal surfaces that make these optimal for any and all weather and light conditions. All scopes accept sunshades. Durability ensured with our true mono-tube design. All SII Big Sky scopes feature our newly improved ExacTrack system for unsurpassed repeatability and reliability.
