Ulanzi BC007 Tactical Backpack (28L) Constant f/4 maximum aperture affords

Constant f/4 maximum aperture affords consistent performance throughout the zoom range and also contributes to the relatively lightweight design and compact form factor

1 x Speedlight

depth produces a focused light with directional control that can be narrowed further for selective lighting with the included 40° fabric grid

4 GHz frequency can fire multiple flash units within 32 channels and 99 ID settings

impressive bokeh

Ulanzi BC007 Tactical Backpack (28L) Constant f/4 maximum aperture affordsFits DSLR or Mirroless Camera and Lenses Removable Camera Cube Storage System Sleeves for 15. 7" Laptop and 11" Tablet Top and Side Grab Handles Side Camera Access Panel Clamshell Opening, Weatherproof Zipper Front and Side MOLLE Webbing Hip Belt, Pocket for Travel Tripod