"Mike" wrote

Yes. Around f/5.6 or f/8 for faster or slower lenses respectively.

To get reasonable printing times of 8s or so, I have to print at f11 or f16.
Anybody know if they sell ND filters for enlargers?

From the department of shameless self promotion: You might try

rec.photo.marketplace.darkroom

--
Nicholas O. Lindan, Cleveland, Ohio
Consulting Engineer: Electronics; Informatics; Photonics.
Remove spaces etc. to reply: n o lindan at net com dot com
psst.. want to buy an f-stop timer? nolindan.com/da/fstop/