Hi I have a Manfrotto 055PROB tripod with 486RC2 swivel head with it's quick release plate. I have a Hasselblad 501CM. The Blad can be screwed to the quick release plate, but it's not terrible stable, especially with a 150mm lens. How are others mounting their Blads to such plates? I read about "Quick Release Hasslelbad plates" but I'm not sure they would suit my situation?