Stupid things Camera Companies leave out...
The eyepiece cover has nothing to do with metering, it's that with long exposures, you sometimes have light leak THROUGH THE VIEWFINDER so you need to cover it so that when the mirror is up and shutter is open, the film doesn't get unwanted stray light from the viewfinder.
Originally Posted by flatulent1
The Noteworthy Ones - Mamiya: 7 II, RZ67 Pro II / Canon: 1V, AE-1 / Kodak: No 1 Pocket Autographic, No 1A Pocket Autographic
Sent from my iPhone using Tapatalk