Exposure Axis MK10 Front Light When switchback apex's need nailing, and narrow lines require a tighter, searching beam, the Axis has a focused 1300 lumens beam for throwing light far down the trail. TAP technology offers ease of control without the need to find a button to ensure concentration is only on the route ahead for swift mode change. Tap Technology - Quickly switch between modes on helmet lights by tapping either the body of the light or the helmet without needing to locate the function button for fast control to match the pace of the trail. Three sensitivities allow greater versatility.