Thank you all for the answers. I was just about to buy this lens, but now i see it would be a waste.
Indeed, Rodenstock states that it is meant for up to 24 x 24 negs.
As i like to print 16 x 40, i was hoping that with this lens id be able to set the enlarger head a little bit less high than i have to set it when i use a 50mm lens.
That would be important because my condenser seems to be faulty, or maybe it wont work right because i use it in a color head (durst m670 color). Anyway, light was very eneven, mostly in lower apertures (at least i couldnt notice the light fail when the lens had the aperture fully or almost fully opened).
So now i will try to work with a difusor (vegabox 67), and it takes a lot more light to get the image done. Thus the importance of lowering the enlarger head.
Have you got any coments on this? Should i place a new thread, since this last issue is not exactly about Rodenstock Rodagon 35mm f4?