Other operations – Canon 420 EZ User Manual
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other Operations
A-TTL Automatic Mode;
The Speedlite 420EZ features the A (Ad-
vanced)-TTL mode which can be used
under conditions ranging from total dark
ness to fill-in flash.
Flash output is controlled by directly
measuring the light coming through the lens
and reflected from the film surface, using
the sensor inside the camera body. More
over, this A-TTL mode balances the ex
posure between the main subject illumi
nated by the flash and the background in
ambient light to prevent unnatural effects.
The setting for each shooting mode is
slightly different so please read the
following carefully.
• The camera-shake warning does not
sound when the flash is turned ON.
• When the camera is set to the depth-of-
field AE mode with the flash ON, the
mode is automatically switched to the
program AE mode.