Zero-out feature lets you instantly dial to a pre-determined yardage without looking. The ASCENT multi pin head is on a vertical dovetail so you can zero it out at the top range of the Dial-of-Death This way youll be able to instantly put your sight to a pre-set distance of choice without looking or when in the dark. Choose the right sight tape for you from 54 tapes (included). We include 54 different sight tapes customized for bows of almost all speeds. You pick the tape that works for you. This way you dont have to make your own! Ascent Verdict is available with a 2x or 4x lens (accessory) that makes it easier to see your target for enhanced accuracy for 1-3/4 standard guard and New 2 for Big Dog guard (Single Pin Scope only)