Canon AE-1 - Manual (Page 30)

1 Setting the Shutter Speed
The shutter diet controis the length of
time that light is allomd to reach the film. Oo
the shutter speed diai. shutter speeds from
1/1000 to are marked in white, while the
Z-secorKl speed H marked in orange. Each
shutter speed gradation is twice or ap­
prox! matelv twice the preceding speed,
beginning vvith t/1000sec. (1000).
Thus, the light reachirsg the film at 1/250
second is half the light reaching it at 1/125.
The numbers on the shutter speed scale
represent the corresportding fraction of a
second <125 « 1/125), with the exception of 1
and 2 (marked in orange) which stand for 1
and 2 seconds respectively.
The ''B*' setting is for long exposures. At
the *'B'' setting, the shutter remains open
^ile the shutter button is depressed and
closes it is not depressed. See page 48
for more details concerning long exposures.
To set the shutter speed, rotate the dial in
either direction until the desired number
dicks into place next to the white index
mark. An in-between setting should not be
used, and the shutter speed dial cannot be
rotated between **6*' and '*1000".
Bnehtf«»*
Sr^tUf Speed
4S*«andei
J/I2SI01/3SÔ
)/*vn0lo|/)000
Selectirsg the Shutter Speed
Shutter speed is determined in accord­
ance with the brightrsess of the scene and the
speed with which the main subject is moving.
You can use the above table as a general guide
to help you select an appropriate shutter
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