The Active Target Special features several technology upgrades that will satisfy even the most demanding predator hunters. A bright new optical system remarkable hand-turn reticle adjustments with spring loaded Instant Zero Reset turrets and a convenient quick-focus eyepiece making adjustments while in a shooting position a breeze. The Active Target 4-12x40 with BDC Predator reticle is an ideal fit for both bolt action and AR rifle platforms and can be used with Nikon Spot On Ballistic Match Technology to take the guesswork out of compensating for bullet drop. With enough power for the longest-range shots and a wide field of view to keep you on predators coming into the call you can count on the Active Target Special 4-12x40 in any situation. In addition all Active Target riflescopes are built with fully multicoated optics for maximum light transmission even in extreme low light environments. - Magnification: 4 -12 x - Objective Diameter: 40 mm - Exit Pupil: 3.3 -10 mm - Field of View: 7.9 -23.6 ft @ 100 yds - Tube Diameter -Other: 1 in - Eye Relief: 3.7 in - Weight: 15.9 oz - Overall Length: 14.1 in - Adjustment Graduation -Other: 1/4 in - Max Internal Adjustment: 60 MOA - Parallax Setting -Other: 100 yds - Waterproof/Fogproof: Yes - Spot On Custom Turret: Yes - Matte Finish: Yes - Use: Varmint/Predator - Reticle: BDC Predator