An expired roll of Fujfilm NPC 160 (2002) in the Mamiya 645 Pro.
I've included screen recordings of the light meter readings on my phone, using a free app.
Most free light meter apps will work.
Free Phone App - Photographer's Companion:
https://play.google.com/store/apps/details?id=com.stefsoftware.android.photographerscompanion&hl=en_GB
Mamiya 645 PRO
SEKOR C 55mm f2.8
FUJIFILM NPC 160 (exp 2002)
#mediumformat #645 #mamiya #fujifilm #NPC160