Canon AT 1 - Manual (Page 119)

Care and Storage of the Camera
No matter how exceptional the camera
may be, it will not give you all it can unless it
is taken care of properly. Please make sure to
keep the camera clean all the time. Acquire a
blower brush, cleaning liquid, cleaning paper,
silicone cloth, etc.
Care of the Camera
Dust on the lens or the viewfinder should
first be blown off with a blower brush and
then wiped lightly with cleaning paper im­
pregnated with cleaning liquid. After the
camera has been used on a beach or near the
sea, clean it well because salt can affect its
mechanisms. A blower brush should also be
used to clean the mirror box inside the camera
body. If it should require wiping, by all
means, please take the camera to a Canon
authorized distributor.
The film compartment has to be cleaned
with a blower because it easily collects film
dust. If the dust contains sand, the film is
easily scratched. When cleaning the rail
surface or the pressure plate, please use
cleaning paper and cleaning liquid. Be careful
not to touch the shutter curtain when doing