ok the lenses used were

1# old Vivitar 70-210 f4.5-5.6 (not sure which series but its MF)

2# Pentax DA40 Limited f2.8

3# Sigma 17-70

all shot on an old Pentax DL.

so yes, in regards to Arthur, the pancake prime provides superior bokeh out of those 3 lenses, as its much superior optically