Here’s how to solve one of those "oh, shit" moments, when your Hasselblad body gets stuck:
Ordinarily the lens and body are both cocked. You cannot install a lens unless both the lens and the body are cocked. However, you cannot remove a lens unless both units are cocked. When the condition is otherwise, the lens cannot be removed. This condition is called "jammed". It is really not that way. It is just that the cocked-cocked combination is no longer present. I have found that the lens is the normal culprit for getting the pair out of sync. Sometimes the lens can fire without being told to do so. This causes the lens and body to be out of sync.
Continue reading the how-to (with pictures) at PhotoWeb Tech