The Bushnell Tour V6 Shift Laser Rangefinder features an enhanced slope algorithm with precise distance compensation for incline/decline, slope-switch technology so you can easily change in and out of slope mode, an integrated BITE magnet, and accuracy to within inches. The rangefinder has 6x magnification with 24mm objective lens diameter, 4mm exit pupil and 16mm extra-long eye relief. Field of view at 1,000 yards: 330 feet.