My Mamiya 6 medium-format film camera with 50mm f/4.0 and 75mm f/3.5 lenses. My medium-format rangefinder film camera is an early-1990s Mamiya 6. Upon its release in 1989, Mamiya had branded this model as the New Mamiya 6, in order to distinguish it from an earlier “Mamiya Six” camera that had been introduced in the 1940s. Now it is commonly referred to as just the Mamiya 6. Most of the time, I am shooting this rangefinder camera with the 50mm f/4 lens as shown above. This is the widest lens ava...