Aputure Fresnel 2X Lens Bowens Mount for Aputure 120D ii, Aputure 300D, Aputure 120D Light Storm LS C300D and Bowen-S Mount Continuous Lights Lens .  Lens for Flooding and Spotting Light Output from 12°to 40° Beam Angle. Magnifies the Light Intensity from 30000 lux to 78000lux