Canon Super 8 814 - Manual (Page 56)

EYEPIECE SHUTTER
^ sure to set the eyepiece shutter at "CLOSE" jo
prevent reverse incoming light when the eye is
not against tFe eyepiece during such photography
as pamTihgT^sThgle frame and titling. Otherwise,
direct the eyepiece, flow in
reverse direction through the optical system of
the viewfinder, and cause ghost images^ the film
OPEN 'CLOSE
' 35