User Guide

¡With TTL and A-TTL autoﬂash Speedlites (EZ-, E-, EG-, ML-, TL-

series) set in the TTL or A-TTL autoﬂash mode, the ﬂash will be ﬁred

only at full output. If you set the camera’s shooting mode to manual or

aperture-priority AE, you can adjust the aperture and ﬁre the ﬂash at

full output. Meanwhile, the Speedlite will remain in the TTL or A-TTL

autoﬂash mode.

¡When the 550EX is set to C.Fn-03-1, the ﬂash will be ﬁred at full

output even in the TTL autoﬂash mode.

TTL and A-TTL Autoflash Speedlites

Metered Manual Flash Exposure

For closeup ﬂash photography, you can set the ﬂash exposure

manually. With an EX-series Speedlite having a manual ﬂash mode,

follow the procedure below:

1 Set the camera and Speedlite settings.

¡ Set the camera’s shooting mode to <a> or <f>.

¡ Set the Speedlite to manual ﬂash.

2 Focus the subject.

¡ Focus manually.

3 Aim the spot metering circle over the subject, then

press the <FEL> button

(8).

s The Speedlite will ﬁre a preﬂash and the required ﬂash output

is retained in memory.

s In the viewﬁnder, the exposure level indicator will indicate the

currently-set ﬂash exposure level relative to the standard

exposure index.

4 Set the ﬂash exposure level.

Adjust the Speedlite’s manual ﬂash level and the

camera aperture so that the ﬂash exposure level

indicator is aligned with the standard exposure index.

5 Take the picture.

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