The KonusPro includes the adjustable objective for the auto correction of the parallax from 10 yard to infinity. The glass engraved, 30-30 reticle and multi-coated optics can significantly increase light transmission from dawn to dusk hunting. Finger adjustable turrets are easily dialed in, even with gloved hands. Approved for Airguns with a 7.5 Joule energy or less. Includes a 4" sunshade, screw-on metal lens covers and a lens cleaning cloth. Length 14" Proofs Fog/Shock/Waterproof Series Adjustable Objective Weight 24.60 oz Reticle Engraved 30/30 Duplex AO Objective 50mm AO Eye Relief 2.90" Coating Type Waterproof, Fogproof, Shockproof Field Of View 31 - 7.80 ft @ 100 yds Magnification 3-12x Optic Coating Multi-Coated Tube Diameter 1" Exit Pupil Range 10 yds-Infinity Parallax Adjustment 10 yds-Infinity