Counter Sniper Optics 4-48 Tactical Scopes, Titanium Specifications - Power Range: 4×-48× - Main Objective: 56mm - Ocular Lens: 37mm - Bell Diameter-Front: 68mm - FOV(ft@100yds): 26.7'-2.3' - FOV(M@100M): 8.9m-0.75m - Lens Quantity: 16 - Mounting Length: 198mm - Focus Type: Side Focus - Eye relief(in): 4.4-3.66 - Reticle: TDRM-DI - Tube dia.(in): 30mm - Eyepiece Dia.(in): 1.77 - Finish: Mil Spec - Eyeguard: Soft Durometer - Diopter Adjustment: -3.2~+2.1 - Windage Range(in): 60MOA - Elevation Range(in): 60MOA - Click Value: 0.125MOA - Total Length: 17.35" - Structure: 1 piece monoblock - Waterproofing: Mil Spec Immersion - Fogproofing: Lifetime - Shock Resistance: 2000-5000g's - Structure: Titanium