I have (I think) a Beseler 45MX, the blue one, and the filter tray that goes above the negative is included. However, it's not obvious how a 6x6 filter sits in it. It's just a thin metal frame that slips into the drawer and is shaped like a half-circle on the back end. Am I missing a piece? I've tried to look for a photo of it all over the place so I can compare, but no luck!
Thanks for your help!