If you have a Hasselblad V series (500 series) camera, and like me, find that you cannot get a cable release that will fit the body when using a short lens (such as the 80mm), then I thought it would be nice to let you know that it's possible to get either an L or U shaped adaptor from this company:
The website shopping cart system is a bit complicated to actually try to buy anything, but I've seen the U shape adaptor and it's perfect for the Hasselblad 500 series of cameras: