I just came into possession of a Beseler 67c for nest to nothing. When I got it home I realized that the label inside the head has a diagram showing two 4'' condensers and an "auxiliary condenser for 35mm and smaller" however there is only one 4'' condenser installed. I have found a second 4" on ebay but cannot locate a 35mm condenser. I haven't been able to try yet (I need to get a bulb later this week) but I'm wondering if the third condenser is absolutely necessary for printing 35mm. Or even what happens with only the one 4''.