The Summit Photo Backpack will easily accommodate two DSLRs, one with a very long lens attached, and lots of additional lenses, flashes and accessories. The main compartment features adjustable, foam-padded dividers for complete customization. Windowpane-Mesh pockets on the inside of the front panel are perfect for filters and small accessories, while a large front pocket is perfect for bulky accessories like a light rain jacket. The harness straps and contoured and thickly foam padded to provide all-day carrying comfort and feature Tamrac"s Strap Accessory System attachment slots for attaching optional S.A.S. accessories. LockDown Rain Flaps tightly cinch down over the main compartment zipper to provide an extremely weather-resistant barrier. The QuickClip tripod attachment system holds a professional tripod centered and balanced on the front of the pack. Modular Accessory System attachment slots and lash tabs on the bottoms and sides allow additional equipment and accessories to be attached.