Lowepro ProTactic BP 450 AW II Camera and Laptop Backpack (Black) Muslin & Fabric Backgrounds or if your hands are

or if your hands are full

Durable silicon twist locks secure opening and closing and prevent the leg from collapsing easily while still in use

and R3 cameras

3 G OSSFE 400mm f/2

Lowepro ProTactic BP 450 AW II Camera and Laptop Backpack (Black) Muslin & Fabric Backgrounds or if your hands areThe exceptionally adaptive second generation of Lowepro's high performance ProTactic BP 450 AW, this pack expands upon the line's rugged versatility and armored protection with a more adaptive interior, multiple access points, modular exterior attachment capabilities and convertible utility belt. Includes 2 Quick Straps and SlipLock tripod cup to externally mount tripod or monopod ActivZone System technology delivers targeted support at shoulder