Huskemaw Crossfield 4x40 Crossbow Scope - The 4×40 Crossbow Scope from Huskemaw is a fixed-power scope that features a calibrated Arrow Drop Compensator (ADC) turret to precisely match the trajectory of high-speed crossbows at extended ranges up to 150 yards. Features High-definition image resolution Calibrated Arrow Drop Compensator (ADC) turret Fast-focus eyepiece Glass-etched reticle Red/green illuminated dot with five intensity levels Cement-bedded lenses Multi-coated lenses Heavy-duty one-piece aircraft aluminum body for ultimate durability Fogproof, shockproof and waterproof construction Adjustable zero index ring Specifiactions Overall Length: 9.7 in Weight: 20.1 oz Tube Diameter: 30 mm Objective Lens Diameter: 40 mm Eyepiece Diameter: 36 mm Max. Mounting Length: 4.3 in Field of View @ 75 Yards: 31.4 ft Click Value: 1 MOA or 2 MOA Clicks / Revolution (1 MOA): 60 clicks / 60 MOA Clicks / Revolution (2 MOA): 60 clicks / 120 MOA