Monarch Rifle Scopes feature. Monarch Eye Box Technology, Smooth zoom control, Locking side focus parrallax adjustment, Enhanced mount ring spacing, Ultra clearcoat optical system, One-piece main body tube, Waterproof, fogproof, Shockproof, and a Lifetime full warranty. Field of view @ 100yds: 25.2'-6.3', Length: 13.5", Weight: 18ozs. 4-16x42 NIKOPLEX MATTE