3-12x40 AO, Hot Magnum , Black Matte, 30/30, Engineered with revolutionary Bullet Drop Technology, interchangeable .22 BDC elevation knobs for 40GR, 38GR and 36GR .22 bullets, high density optical glass for crisp edge-to-edge clarity, Pre-calculated trajectory compensation from 100 to 300 yards, multi-coated optics for brighter viewing and adjustable objective (AO) for parallax correction, Backed by BARSKA's Limited Lifetime Warranty. Specifications: - Magnification: 3-12x - Objective Lens: 40mm - Waterproof: Yes - Fogproof: Yes - Reticle: 30/30 - Exit Pupil: 10.8-3.3mm - Optical Coating: Multi Coated - Field of View (ft100yds/m100m): 26.7/8.93x, 7.4/2.512x - Eye Relief: 3.1 inch - Click Value: 1/4" - Adjustment Knob: Adj. obj. lens, adj. parallax, adj. elevation - Tube Diameter: 1 inch - Finish: Black Matte - Weight: 18.88 oz. - Length: 13.75 inch - Included Accessories: interchangeable .22 BDC elevation knobs for 40GR, 38GR and 36GR .22 bullets, Lens Covers and Lens Cloth - Warranty: Limited Lifetime Warranty