Anyone know who can repair a Hassie back in the UK ? The film counter isn't detecting the film and winding on. I'm sure it's a simple repair job ( probably cleaning and lubrication), but I can't afford to pay official Hassie repairers a fortune for an occasional hobby camera. There must be lots of semi retired former Hassie engineers around. ( Herts/Cam area) Or can anyone provide instructions on how to do it myself ? best wishes, Alan.