MindShift Gear FirstLight 20L DSLR & Laptop Backpack (Charcoal) Holds 1 standard-size DSLR and 46 standard zoom lenses. Holds 2 large Mirrorless bodies and 57 lenses plus a flash. Maximum lens size: 200400mm f/4 attached or 300 f/2.8 attached Tablet or laptop fits into front unpadded pocket (fits most 15 laptop or 12" tablet) Robust, comfortable, and contoured harness system with 11 adjustment points Adjustable torso length fits small to large body types Exterior Dimensions: 11.4 W x 18.7 H x 7 D (29 x 47.5 x 17.8 cm), Interior Dimensions: 10.8 W x 17.5H x 5.3 D (27.5 x 44.5 x 13.5 cm), Front Pocket: fits up to 15 laptop, Weight: 4.4lb (1.9kg), Volume: 20 Liters