The Konus Fearless 4x-16x50mm Rifle Scope is a 34mm tube riflescope featuring first focal plane (FFP) optics, a dual-illuminated (red/blue) ballistic reticle, and Zero-Stop locking turrets. Designed for long-range hunting and tactical shooting, it offers 1/10 MRAD adjustments, high-definition glass, and is waterproof/fogproof. Features (Model 7293): Optics: 4x-16x magnification with a 50mm objective lens and fully multi-coated HD lenses. Tube Diameter: 34mm, allowing for increased elevation/windage adjustment. Reticle: Illuminated FFP Advanced Ballistic Reticle. Turrets: Precision lockable tactical turrets with Zero-Stop functionality (1/10 MRAD clicks). Field of View (100m): 9.2m at 4x, 2.3m at 16x. Weight & Length: 695g (24.5 oz) and 34.7cm (13.6 inches). Eye Relief: 100mm (3.9 inches).