Took my lovely 1961 Rolleiflex 2.8F Planar loaded with a roll of 07/1991 dated Agfa Pan 100 ( NOT the 'APX' type) and processed in Rodianl 1+50 for 14 mins at 20oC and got some very good negatives. I used the lens mostly at f4 or f4.5 rating the film at 64 ASA as it was old.