Aktiv Pak AP400 All Weather Digital Camera & Photo/ Computer Laptop Backpack for Panasonic / Olympus E-5, E-30, Evolt E-420, E-520, E-620, OM-D EM-5, Pen E-P2, E-P3, E-PL2, E-PL3, E-PM1 Digital SLR Cameras All Weather Cover - Protects gear against bad weather, dust and sand Carry-On Compatible - A product as carry-on compatible if it is within the dimensions of 22&quot; wide x 14&quot; deep x 9&quot; high, which is the maximum carry-on size commonly used by most USA airlines. Laptop Compatible up to 17&quot; inches - Thick padded notebook computer compartment in rear will accommodate laptops such as Dell, Apple PowerBook, iBooks or other notebooks as big as 17&quot; x 11&quot; x 2&quot;. With the notebook only accessible from the portion of the pack closest to your body, you'll feel secure that it cannot be unzipped while you're walking through a crowded street or subway. Adjustable, foam-padded dividers for custom fit of equipment - The main compartment will hold a full range of cameras, lenses and related gear including a digital or film SLR with an attached lens up to 11&quot; long. Removable, foam-padded dividers allow customization to exactly match your mix of cameras, camcorder, lenses and other equipment. As well as easily accommodating oversized telephoto zoom lenses with tripod mount up to 8&quot; inches in length. Multi-Accessory Pockets - This backpack invention combines clear vinyl and nylon mesh for strength and provides easy viewing to the contents of our film and accessory pockets. Quick access to computer accessories, the front panel of the pack unzips to reveal a set of organizer pockets specifically designed to hold all computer-related accessories. Side media pocket securely holds cell phones, PDA, and MP3 Players. Tripod holder with adjustable security strap snuggly holds tripod or monopod.