The Think Tank Digital Holster 50 V2.0 is designed for pro size DSLRs such as the Nikon D3 series or the Canon 1D and 1Ds series. This is a top loading bag for a pro size DSLR that can carry a 70-200 f2.8 with the lens hood either reversed or in position, ready to shoot. FEATURES: "Pop Down" increases bag height for a lens hood or a telephoto lens Lens hood can remain attached, reversed or in position Side attachment rail for connecting a small Modular, Skin, or Multimedia component to holster Contemporary design and form fitting shape for digital SLRs Attaches to all Think Tank belts and Think Tank bags with Modular Rails Removable shoulder strap included Compatible lenses - Pop down retracted: 24-70 f2.8 with hood extended (Canon or Nikon); 70-200 f2.8 with hood reversed (Canon or Nikon); 300 f4 with the hood reversed (Canon or Nikon) Compatible lenses - pop down extended 70-200 f2.8 with hood extended (Canon or Nikon); 300 f4 with the hood extended (Canon or Nikon) Business card pocket underneath carrying handle for a small stack of business cards Non-slip shoulder strap included Small accessory pocket underneath lid Fits most tripod plates and L-brackets while attached to camera Holster lid opens forward, away from the body, for fast and easy access to the camera Removable soft divider protects camera LCD screen from camera strap hardware Smooth fabric on belt attachment for minimal friction Convenient carrying handle Seam-sealed rain cover included and stored in outer side pocket Internal Dimensions: 7.25" W x 7.25" H x 11.25