Just wanted to update on my last post. I tested both the LED bulb and the PH-1400 incandescent with my Beseler Cadet. Not a scientific test or anything quantitative, just printed the same negative with both lamps and looked at the results. Well, the LED lamp is absolutely fine. Actually, itīs so nice to work with it Iīm not using the PH-1400 anymore. The contrast is maybe about 1 grade lower with the same filtration and multicontrast paper (which, for me, is even better), but cannot be sure cause I donīt have any real experience on that. And the exposure times are obviously longer, but thatīs a plus, I can learn burning and dodging. Anyway, what I wanted to say is that the prints look just great and I am not going to worry anymore about enlarger bulbs burning.