EOTECH s Vudu 1-10x28 offers a robust 34mm, one-piece aircraft aluminum tube and single-piece eyepiece that includes a removable throw-lever for fast changes in magnification. The low profile elevation turret includes a push/pull locking system and a capped windage turret for a secure zero. The illuminated, glass-etched reticle and first focal plane design allows for distance estimation at any magnification and lighting condition. Product Features Aircraft Grade Water Resistant Fog Resistant Shock Resistant Anti-Reflective Lenses Industrial Design Included in the box: Vudu 1-10X28 Rifle Scope Operator Manual Reticle Manual Throw Lever Lens Cleaning Cloth Product Specifications Overall Length: 10.63" (270 mm) Weight: 21.3 oz (603 g) Magnification: 1-10X Tube Diameter: 34 mm Objective Diameter: 28 mm Power Source: CR2032 Eye Relief: 1X: 3.27-3.90" (83-99 mm) 10X: 3.35-3.62" (85-92 mm) Field-of-View @ 100 Yards: 1X: 116.6 ft (35.5 m) 10X: 11.7 ft (3.6 m)