The Vortex Diamondback 3.5-10x50mm Rifle Scope is ideal for when you spend time hunting in low light. These Rifle Scopes have pop-up dials that provide easy, precise adjustment for elevation and windage, making audible clicks that are easily and quickly counted. Vortex Optics knows good hunting gets all the better with high quality optics. The Vortex Diamondback 3.5-10x50mm Plex Rifle Scope is built around a durable 1" tube constructed of 6061 T6 aircraft-grade aluminum. All scopes are subjected to demanding factory testing under a force of 1000 G's 500 times! Not only is this rifle scope waterproof and fogproof, it is highly prized for its purging with Argon gas to eliminate internal fogging. Count on the Vortex Diamondback 3.5-10x50mm Shockproof Rifle Scope for smooth handling when the heat is on. Specifications for Vortex Diamondback 3.5-10x50mm Rifle Scope, 1in Tube, Second Focal Plane (SFP): Manufacturer: Vortex Objective Lens Diameter: 50 mm Magnification: 3.5 - 10 x Tube Diameter: 1 in Reticle Focal Plane: Second Focal Plane (SFP) Exit Pupil: 5 - 14.29 mm Illumination Color: None Field of View, Linear: 13.5 - 35.8 ft at 100 yds Eye Relief: 3.3 - 3.6 in Color: Black Length: 12.4 in Adjustment Type: MOA Parallax: 100 yds Illumination Type: Non-Illuminated Width: 3.13 in Fabric/Material: Aircraft Grade Aluminum Height: 2.29 in Focus Range: 100 yds to infinity Lens Material: Glass Optical Coating: Fully Multi-Coated Battery Life: 150 hours Weather Resistance: Yes Water Resistance Level: Waterproof Shockproof: Yes Fogproof: Yes Package Type: Box Magnification Type: Variable Condition: New Attachment Type: Riflescope Ring Features of Vortex Diamondback 3.5-10x50mm Rifle Scope, 1in Tube, Second Focal Plane (SFP): Aluminum Grade: Aircraft Multi-Coated: Fully Multi-Coated Shockproof: Rugged construction withstands recoil and impact. Package Contents: Vortex Diamondback 3.5-10x50mm Rifle Scope, 1in Tube, Second Focal Plane (SFP) Removable lens covers Lens cloth Vortex VIP Warranty The Vortex VIP warranty is about you, not us. It"s about taking care of you after the sale. VIP stands for a Very Important Promise to you, our customer. We will repair or replace your Vortex product in the event it becomes damaged or defective-at no charge to you. If we cannot repair your product, we will replace it with a product in perfect working order of equal or better physical condition. You see, it doesn"t matter how it happened, whose fault it was, or where you purchased it. You can count on the VIP Warranty for all Vortex Optics Rifle Scopes, prism scopes, red dots, rangefinders, binoculars, spotting scopes, tripods, and monoculars. Unlimited Lifetime Warranty Fully transferable No warranty card to fill out No receipt needed to hang on to If you ever have a problem, no matter the cause, we promise to take care of you Note: The VIP Warranty does not cover loss, theft, deliberate damage or cosmetic damage that does not hinder the performance of the product.