I have an Aristo cold light head which came with my Beseler 45V XL enlarger. The head has a D-2 marking on it which I am assuming says it is for an Omega enlarger. Has anyone used such a head on their Beseler. If so what kind of adapter is required. Does anyone have one they would be willing to let go of? The head has a Metrolux probe and I also have the Metrolux controller. Bill Barber