For those who want to leave their 70-200mm 2.8 stowing on the camera.

Used the pocket with a D700, and is usually additionally loaded with:
AF-S 70-200mm 2.8G VRI, AF-S 16-35mm VR 4.0 and another lens
and accessories (filter set / lightning / etc.).

If you want to stow away his camera with 70-200mm 2.8, this bag is the right choice.
Width and depth are the same as the Retrospective 10 but the 20 is slightly higher.

Otherwise:
Many compartments for accessories, fine workmanship, very comfortable padded harness
sufficient room dividers, rain cape.

So:
Anyone looking for a shoulder bag of this size, which can not go far wrong here actually.