I bought a used hasselblad recently. The camera itself works fine and seems to be taking pretty sweet pictures. But I've noticed there is an ever so small amoutn of give with the lens after i secure it to the body. and It may be my imagination but in the 3 months of owned the camera, I think its gotten worse. I dont notice any difference in the pictures...they still seems as sharp as they could be, but i'm just wondering if anyone has had similar issues and if I should be concerned. I think I oveheard someone once say that lens are like that to to compensate mechanical seizure under extreme temperatures...but it could be completely bogus.