The Think Tank Photo Digital Holster 20 V2.0 is designed for regular size DSLRs such as the Canon 5D Mark II, 7D, and 50D or Nikon D700, D300s, and D90. The shape of the bag conforms to the camera itself, with one straight side and one curved side. It can actually stand up by itself
 
Top 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
• Removable shoulder strap included
• Attaches to all Think Tank belts and Think Tank bags with Modular Rails

Compatibility:

• COMPATIBLE LENSES--POP DOWN RETRACTED: 16-35 f2.8 with hood EXTENDED (Canon); 16-35 f4 VR with hood EXTENDED (Nikon); 24-70 f2.8 with hood REVERSED (Canon or Nikon); 17-55 f2.8 with hood REVERSED (Canon or Nikon)
• COMPATIBLE LENSES--POP DOWN EXTENDED: 24-70 2.8 with hood EXTENDED (Canon or Nikon); 28-70 2.8 with hood EXTENDED (Nikon); 70-200 f2.8 with hood REVERSED (Canon or Nikon); 300 f4 with the hood REVERSED (Canon or Nikon)