ATN 4-12x60LU Professional Series Riflescope w/30mm Rings

Primarily designed for the Big Game hunter the 4-12x60 doubles as a highly effective varmint scope. A large 60 mm objective lens provides you with one of the brightest scopes made. The interchangeable cams for the BDC let you go after big game with rifles using .300 Win Mag or 7 mm Magnums cartridges as well as varmint rifles with .223 or.270 caliber's.500-Yard Bullet drop compensator.6 Interchangeable Cams Included (.223.30830-.06 .2707 mm Mag.300 Win Mag.)30 mm Rings Included.Illuminated Reticle with 10 position rheostat.1000 Yard Range Finder.1/8 MOA at 100 Yards.Prosheild and Everlight Lens coatings.Sun shade The 4-12x60 has an Electronic reticle. There are 10 degrees of illumination. The rheostat the knob located at the back of the scope is labeled with numbers 0 through 10. The reticle will light up red electronically as you rotate the rheostat through the numbers 10 being the brightest.The rangefinder reticle in 4-12x60 was designed to assist you in determining the range of your target. These distances are based on a 6' target. If a 6' target fits between the horizontal post of the reticle and the number 2 the target is 200 yards away.When shooting at longer ranges the bullet drop compensator can be adjusted for 200 300 400 and 500. Depending on the distance click the bullet drop compensator to the appropriate setting. This will automatically adjust your reticle for that particular distance. Your scope also comes with other cams allowing you to change your bullet drop compensator to work with the different rifles.