Canon AE-1 - Manual (Page 50)

Shooting Against the Light with the
Backlight Control Switch
If) most cases« the Canon AE Ctnual
Enx)hasii Metering system will give correct
exposure readings in AE photography. How*
ever, you will occasior\ally encounter situ*
iTions in which normal AE photography
would not provide a correct exposure readir>g
of the main sub^t. fo r example« when you
li)otograph a person standir^g in a room with
a bn^tly lit window at hts back, the sub|ect
w)1l be underexposed In order to properly
expose the main subject« the backlight control
switch is provided. When it it heid in as the
shutter is released« the aperture is automatical*
ly oper>ed up by one arsd a half f/stops more
than normal.
Manual Override
You may occasiorsally wish to override
the camera's AE control to compensate for
unusual lighting conditions, such as in taking
high-key« Imv-key or backlit shots. This is
possible by disengaging the aperture ring of
the FO lens from the "A" mark and turning
the ring to the aperture you wish to use tor
«
T.
desired exposure coms>eosation. When you
take an exposure reading either by pushing
the shutter button halfway or by using the
exposure preview switch« the meter rseedle
in the viewfinder will show the aperture the
camera would use on Auto.
To switch back to Auto« simply reset the
aperture ring to the "A'^ mark while pressing
the EE lock pin.
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