Canon EOS Rebel XT - Manual (Page 101)

101
An EOS-dedicated, EX-series Speedlite (optional) makes flash photography
as easy as normal shooting. You can easily do the flash operations below. For
detailed procedures, see the Speedlite’s instruction manual.
¡ ¡ ¡ ¡E-TTL II Autoflash
E-TTL II is a new autoflash exposure system incorporating improved flash
exposure control and lens focusing distance information, making it more precise
than the previous E-TTL (evaluative flash metering with preflash) system. The
camera can execute E-TTL II autoflash with any EX-series Speedlite.
• High-Speed Sync (FP flash)
With high-speed sync, you can set a sync speed faster than 1/200 sec.
• FE (Flash Exposure) Lock
Press the camera’s <
A> button to lock the flash exposure at the desired part
of the subject.
• Flash Exposure Compensation
In the same way as normal exposure compensation, you can set exposure
compensation for flash. The flash exposure compensation amount can be set with the
camera up to ±2 stops in 1/3-stop increments. With Speedlites which you can set the
flash exposure compensation, it can be set up to ±3 stops in 1/3-stop increments.
• FEB (Flash Exposure Bracketing)
The flash output is changed automatically for three successive shots (only with
FEB-compatible Speedlites). Set flash exposure bracketing up to ±3 stops in 1/
3-stop increments.
• E-TTL II Wireless Autoflash with Multiple Speedlites
As with wired, multiple Speedlites, wireless E-TTL II autoflash with multiple Speedlites
provides all the above features. Since connection cords are unnecessar y, flexible and
sophisticated lighting setups are possible (only with wireless-compatible Speedlites).
The flash cannot be fired with an EZ/E/EG/ML/TL-series Speedlite
set in the TTL or A-TTL autoflash mode. Use the Speedlite’s manual
flash mode instead if provided.
Using EOS-Dedicated, External Speedlites
With EX-series Speedlites
About EZ/E/EG/ML/TL-series Speedlites