Osprey Global ED Glass 34mm Tube Rifle Scope First Focal Plane Glass Etched Black. 5-20x50 FFP Scope delivers reliable performance for shooters. High-quality Hoya ED glass with a multi-coated finish provides clear visuals while the 34mm tube offers durability and a wide adjustment range. Fog proof waterproof and shockproof this scope comes with Ospreys lifetime warranty. Specifications for Osprey Global ED Glass 2.5-20x50mm 34mm Tube Rifle Scope First Focal Plane: Manufacturer: Osprey Global Objective Lens Diameter: 50 mm Magnification: 2.5 - 20 x Reticle: Glass Etched Tube Diameter: 34 mm Reticle Focal Plane: First Focal Plane (FFP) Illumination Color: Blue Green Red Color: Black Battery Type: Lithium Metal CR2032 Water Resistance Level: Waterproof Shockproof: Yes Fogproof: Yes Package Type: Clam Pack/ Plastic Features of Osprey Global ED Glass 2.5-20x50mm 34mm Tube Rifle Scope First Focal Plane Fog proof Waterproof Shockproof Package Contents: Osprey Global ED Glass 2.5-20x50mm 34mm Tube Rifle Scope First Focal Plane Dust Covers Dust cloth CR2032 Battery Instruction Manual Allen Wrenches Osprey Global ED2.5-20X50FFP: ED Glass 2.5-20x50mm 34mm Tube Rifle Scope First Focal Plane Glass Etched Black