Solution
The focusing screens for the EOS cameras are as follows. For the details about how to replace the focusing screen, see the instruction manual for the focusing screen.
Eg series:
Eg-A II(pre-installed)/Eg-D/Eg-S/
Eg-A*
*: The focusing screen can be attached to the camera, but appropriate exposure cannot be obtained. Use a commercially-available light meter to set a manual exposure or set exposure compensation and shoot.
NOTE
If you change the focusing screen, change this setting to match the focusing screen type. For the details about how to replace the focusing screen, see the instruction manual for the focusing screen.