Aputure CF7 Fresnel and Barn Doors KitThe CF7 Fresnel with Barn Doors Kit is a 7 inch Bowens Mount fresnel with included 8 leaf barn doors. It offers a beam range of 15 to 40 while maintaining a compact profile. The dual expanding focusing system with multiple lens elements drastically reduces size and weight without compromising optical performance. The compact design is optimized for use with the STORM 400x. Spec sheet Whats in the box? 1x CF7 Fresnel 1x CF7 Barn Doors 1x Safety Chain