The 3N1-20 DL Sling Backpack is designed for ultimate freedom, providing three carrying options in one, effortlessly morphing from right sling to backpack to left sling. The 3N1-20 DL Sling Backpack holds a Pro-DSLR with battery pack & mid-range zoom lens attached, plus 3-4 lenses, flash & personal gear, OR a compact camcorder with accessories. In sling position, the bag swings around from back to front to provide quick draw access to your main camera/camcorder & important gear. In backpa