Canon A-1 - Manual (Page 109)

data will be displayed in the viewfinder.
Unless the shutter speed data is
flashing 0П
and off, simply press the shutter button for
an accurately exposed image. Exposure
warnings are exactly like those in aperture
priority AE. Set the aperture ring to a larger
aperture if a shutter speed of the slow range
flashes on and off in the viewfinder. The
shutter speed value that flashes to indicate
underexposure depends on the ASA film
speed. Set it to a smaller aperture if the
highest shutter speed of “1000” flashes on
and off. When the shutter speed flashes on
and off even when the aperture ring is
turned to the extreme limits, you are outside
the meter coupling range. Change the light
level or switch to a more appropriate film.
3 D
since you can determine correct exposure
simply by watching the shutter speed data in
the viewfinder, you need not keep an eye on
the lens aperture ring as you turn it. How­
ever, for good depth of field when using
accessories for close-up photography, it is
best to close the lens to a relatively small
aperture. More details are given in the
instruction booklets for the various acces­
sories involved.
You will find that your A-1 is unusually
effective in photomacrography and photo­
micrography. Even though the amount of
-6