Our breakthrough design lets you change out a lens with one h&. This case temporarily holds & separates two lenses as you detach the working lens & grab the second. Design allows user to change out lens with one h&, increasing lens-exchange speed Dual-compartment design temporarily holds 2 lenses during a lens-changing moment Case collapses back to a single-lens shape once lenses are exchanged Easy-grip main handle allows smooth, single-handed operation Two mesh side pockets provide easy-to-reach storage space for lens or body caps Removable/adjustable shoulder strap offers additional carrying option Slip Lock™ tab allows case to be worn on S&F™ belt or other compatible product Built-in All Weather AW Cover™ protects gear from the elements