Manfrotto MB MA-BP-TL Advanced Tri Backpack, Large (Black) On-Camera Video Lights The enlarged slave window provides

The enlarged slave window provides approximately 90 degrees field of view for remote triggering

Always carry spare O-rings in your camera case

The pack is essentially divided in half with the bottom half for your photo gear and the top half for other items

ProMaster offers a complete line of wired remote shutter release cables to cover almost every popular DSLR

Manfrotto MB MA-BP-TL Advanced Tri Backpack, Large (Black) On-Camera Video Lights The enlarged slave window providesThe Tri Backpack L provides 3 ways to store, carry and use your gear. You may use it in the backpack, sling bag or "X" position. Suitable for your pro DSLR with battery pack and attached long range zoom plus 5 6 additional lenses, flash and accessories; media card storage and space for 15"" laptop. The unique design of this pack allows you to access your gear even with the traditional backpack shape. In the backpack or ""X"" position with the straps