The ALTA SKY 45D is the most versatile gear-carrying and working backpack for professionals and enthusiasts alike thanks to the 70/30 split upper/lower compartment. The larger upper compartment can be customised for either side access (with a small day-pack compartment on top) or top access, depending on your preference. The upper compartment can fit up to a Pro DSLR with attached lens (up to 70-200mm f/2. 8), 2-3 lenses, a flash and accessories The lower compartment can be used to house multiple lenses and accessories, such as a CSC (Compact System Camera) with additional lenses. Alternatively you can remove the dividers in either compartment to use the empty compartment for any purpose, for example clothing for a weekend trip away. The ALTA SKY 45D also carries 13" laptop and/or tablet and offers various advanced tripod connections, including attachments to the ALTA ACTION Tripod Bags from Vanguard thanks to the ALTA LINK System. This level of equipment can be carried in comfort thanks to the padded, non-slip harness and air flow system. All told, the ALTA SKY range of backpacks are the most the most versatile Vanguard have ever produced since being founded in 1986.