Sightron S-TAC 30mm Rifle Scope 191231. 5-17.5x56mm Shockproof Rifle Scopes feature Side Focus adjustment for easy and intuitive adjustments when you need them. These quality Rifle Scopes produced by Sightron feature Zact-7 Revcoat fully multi-coated lenses and 7x magnification for bright clear images. Sightron S-TAC 2.5-17.5x56mm Waterproof Rifle Scopes have illuminated reticles with 11 settings for shooting in all kinds of light levels. Sightron S-TAC 2.5-17.5x56mm Fast Focus Rifle Scopes are the ideal choice for low to midrange targeting at dusk or at dawn. Specifications for Sightron S-TAC 2.5-17.5X56 Rifle Scope: Manufacturer: Sightron Objective Lens Diameter: 56 mm Magnification: 2.5 - 17.5 x Reticle: Mil-Hash Tube Diameter: 30 mm Reticle Focal Plane: Second Focal Plane (SFP) Exit Pupil: 3.2 mm Finish: Matte Black Field of View Linear: 41.9 - 6.1 ft at 100 yds Eye Relief: 3.5 - 3.7 in Diopter Adjustment Range: -2 - 1 dpt Color: Black Weight: 30.6 oz Adjustment Click Value: 0.1 Mil Rad Length: 14.5 in Adjustment Type: Mil Rad Parallax: 10 yds to infinity Illumination Type: LED Battery Type: CR2032 Focus Range: 10 yds to infinity Lens Material: Glass Optical Coating: Zact-7 TM 7-Layer Battery Life: Up to 400 hours Weather Resistance: Yes Water Resistance Level: Waterproof Shockproof: Yes Fogproof: Yes Package Type: Box Included Accessories: Sightron Scope Coat Sunshade Magnification Type: Variable W/E Travel at 100 Yds: 11.6/23.2 Mil Rad Attachment Type: Riflescope Ring Features of Sightron S-TAC 2.5-17.5x56mm Rifle Scope Fogproof: Fast Focus Eyebell allows quick and easy adjustments in the field. Side Focus parallax adjustment designed for quick and easy adjustment and will focus from 10 yards to infinity. Illuminated Rheostat designed for low light shooting applications. 11 position rheostat illuminates the center dot to allow quick target acquisition and has easy OFF mode between each intensity level. ExacTrack windage and elevation adjustment system. Zact-7 Revcoat employs revolutionary lens coating technology featuring fully multi-coated precision ground glass. Extra Low Dispersion Glass is a special glass added to optical systems to prevent chromatic aberration Waterproof. Rain snow or humidity Sightron optics are built using 100 percent sealed system ensuring a lifetime of performance in the most extreme environmental conditions. Shockproof rated for recoil and impact from even the toughest loads. Nitrogen Gas Charged. Nitrogen filled to provide a lifetime of use free from fogging and internal water buildup. Matte black finish. Lifetime Warranty. Package Contents: Sightron S-TAC 2.5-17.5x56mm Rifle Scope Waterproof Sightron 191231: S-TAC 30mm Rifle Scope 2.5-17.5X56IRMH