this will work great as well, Lee Filters or Roscoe filters sell them cheap, just try to keep them above the lens and a distance from the neg.
the bulb will burn them if they are too close.
Originally Posted by Ken Nadvornick
Neutral density filtration between the light source and the negative. I don't know if your enlarger allows for that. But large ND sheets are terribly inexpensive if it does. This has worked well for me in the past.
I cut out a set of 1-, 2-, and 3-stop custom filters. In various combinations they allowed me to stay near or right at my preferred enlarging lens aperture, while still giving me my preferred exposure time length for comfortable dodging and burning.