View Full Version : how many times of rotation?

3-Jul-2009, 04:19
I am new to the 4x5 b & w sheet film development. now using a jobo 2551 and manual motor base. can anybody tell me the number of rotation times per minute? thanks a lot.

Bruce Watson
3-Jul-2009, 05:00
It varies depending on what you are trying to do. I tend to like lower speeds, around 25-30 rpm myself. I've read of people doing double that however.

3-Jul-2009, 06:48
Thank you, Bruce.