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An EOS-dedicated, EX-series Speedlite makes flash photography as
easy as any AE mode. For details on using the EX-series Speedlite,
refer to the Speedlite’s instruction manual. The EOS 5D is a Type-A
camera compatible with all EX-series Speedlites providing the features
• E-TTL II Autoflash
E-TTL II incorporates an improved flash exposure control and lens focusing
distance information, making it more precise than the previous E-TTL autoflash
exposure system (evaluative flash metering with preflash). The camera can
execute E-TTL II autoflash with any EX-series Speedlite.
• High-Speed Sync (FP flash)
High-speed sync (FP or focal-plane flash) enables flash synchronization with all
shutter speeds from 30 sec. to 1/8000 sec.
• FE (Flash Exposure) Lock
Press the camera’s <A> button to lock the flash exposure at the desired part
of the subject. This is the flash equivalent of AE lock.
Aim the center of the viewfinder over the part of the subject where you want to
obtain a correct exposure, then press the <A> button. During FE lock, <d>
will be displayed in the viewfinder.
• 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
• FEB (Flash Exposure Bracketing)
FEB is the flash version of AEB. (Only with FEB-compatible Speedlites.) Set
flash exposure bracketing up to ±3 stops in 1/3-stop increments.
During FEB, <d> will blink in the viewfinder.
With EX-series Speedlites
If you use flash, you can set flash exposure compensation by holding down
Q> button and turning the <5> dial.