Offering Nikon's fully multicoated optical system and new adjustment technologies these scopes offer superior hunting performance at prices that fit into the budget of any hunter. The BDC reticle allows hunters to hold 'dead-on' at ranges exceeding those previously thought possible. The BDC's unique see-through ballistic circles offer an incredible advantage for long range shooting yet allow a normal sight picture for shorter-range shots where the crosshair itself is the aiming point. Fully Multicoated Optical System Provides up to 98% light transmission and maximum brightness from dawn to dusk. Generous Consistent Eye Relief Keeps your brow safe--even with the heaviest recoiling cartridges lightweight rifles and severe shooting angles. Precise 1/4-MOA Handturn Adjustments Positive click reticle adjustments get you zeroed in quicker and maintain your setting--even with heavy recoil. Zero-Reset Turrets To simplify field adjustments Nikon has integrated this feature into all new riflescopes. Just sight-in as usual then lift the spring-loaded adjustment knob rotate to your "zero" and reengage. Field adjustments are now as simple as dialing-in your subsequent ranges. Waterproof/Fogproof Nitrogen filled and O-ring sealed.