Hawke Airmax 30 SF 4-16x 50mm Airgun Scope - Airmax scopes feature H2 optics in a variety of configurations designed to suit airgun characteristics. Features Capped Target Turrets First Focal Plane 30mm Mono-Tube Chassis Wide Angle Side Focus Side Wheel (Removable) Illumination 16 Layer Fully Multi-Coated Lenses High Torque Zoom Ring Fast Focus Eyebell AMX Reticle Designed For Airguns Nitrogen purged. Shockproof. Waterproof. Fog proof. All caliber rated. Hawke No-Fault Lifetime Warranty. Includes a CR2032 Battery