German Precision Optics Spectra Rifle Scope 2.5-10x44i G4i Drop 30mm Tube Second Focal Plane Black Model: RS421 The Spectra 2.5-10x44mm was designed to be a workhorse for everyday shooting and hunting environments. With a 4x zoom factor, the 2.5 power setting works exceptionally well for close or moving targets while 10x power can reach across larger fields or canyons for better shot. The SPECTRA riflescope lineup offers precise, reliable, high-performance features for diverse hunting and shooting scenarios. All SPECTRA riflescopes offer a 30mm main tube that provides larger internal optical lenses fully multicoated with proprietary GPObright lens coating technology, iCONTROL illumination electronics, a variety of magnification zoom ranges, and an assortment of reticles that are sure to meet your needs. All GPO products are backed by the best lifetime warranty and service in the industry, our exclusive Spectacular Lifetime Warranty. Features: - DoubleHD objective lens technology - PASSIONtrac turrets - Turrets designed for 0.36-inch adjustment at 100 yards (or 0.1 mrad), provide 85 inches of adjustment range Specifications: - Objective Lens Diameter: 44mm - Magnification: 2.5 - 10 x - Tube Diameter: 30mm - Reticle Focal Plane: Second Focal Plane (SFP) - Exit Pupil: 12.3 - 4.4 mm - Illumination Color: Red - Finish: Matte - Field of View, Linear: 13 - 40 ft at 100 yds - Eye Relief: 3.75 in - Color: Black - Weight: 22.6 oz - Adjustment Click Value: 0.36 in at 100 yds - Length: 13.4 in - Adjustment Type: Mil Rad - Parallax: 100 yds - Battery Type: CR2032 - Width: 2.8 in - Fabric/Material: Aluminum, Magnesuim/Aluminum - Adjustment Range: 0.1 Mil Rad - Height: 1.9 in - Lens Material: Double HD - Optical Coating: High Transmission GPO Bright - Light Transmission: 90 % - Water Resistance Level: Waterproof - Fogproof: Yes - Package Type: Box - Magnification Type: Variable - Attachment/Mount Type: Ring Manufacturer: GPO Model: RS421