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Flash Photography with a Speedlite EX-Series
With a Canon Speedlite EX-Series, flash photography Is easy as using the
built-in flash. You can also use the advanced features below.
• This section applies when Speedlite 220EX is attached to the camera.
• E-TTL Autoflash
With E-TTL autoflash (preflash evaluative
metering), an optimum flash exposure is
obtained for the subject in focus. In the
aperture-priority AE mode, a slow sync
speed is set automatically in low-light
conditions to obtain a natural-looking,
balanced exposure between the subject
and background.
• High-Speed Sync (FP Flash)
High-speed sync (FP or focal-plane flash) enables flash synchronization
with ail of the camera's shutter speeds from 30 sec. to 1/2000 sec.
• FE (Flash Exposure) Lock
FE lock obtains and locks the correct flash exposure for any part of the
subject. This is the flash equivalent of AE lock.
S • E-TTL is an abbreviation for Evaluative-Through-The-Lens.
• With autofocus, the flash exposure is always based on the aperture, and E-TTL
autoflash metering is weighted at the active AF frame assumed to be covering
the main subject.
• When It Is difficult to autofocus, the Speedlite's AF-assIst beam is emitted
automatically.
• When an external, EOS-dedicated Speedlite except the EX-series is used with
the camera, flash photography is as easy as A-TTL/TTL autoflash with the
built-in flash.
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