On the subject of straps, I recently bought an Optec Pro strap for my Mamiya, (I've been using the original Mamiya one that is about 1/4" wide and made out of some sort of fibre glass, has a plastic shoulder grip whose bobbled inner surface gets very painful on the back of the neck, especially if I have the prism and the 180mm lenses on the camera. ) I can't believe the difference this has made, it's so comfortable and makes the camera feel half the weight , it's made from Neoprene and Nylon webbing,I don't know how they do it , but it's magic.