Yes, I use the Jobo 2521 and the 4x5 reel (see also "the Developping cookbook" by Anchell and Troop p.33) You can use the CPA too. You have to make some minor adjustements that everybody can do. If you are interested contact me. But I would start with buying the drum. The temperature control is usefull but I am not entirely convinced that rotary processing is the end of the world.(posted 8520 days ago)ciao
Andreas