Canon EOS Rebel 2000 - Manual (Page 61)

Using the Built-in Flash
Flash Sync Speeds and Flash Apertures
Mode Sync Speed Flash Aperture
P
The sync speed is set
automatically to 1/90 sec.
The flash aperture is set
automatically according to the TTL
program.
Tv
Any sync speed 1/90 sec. or
slower can be set manually."
The flash aperture is set
automatically lo match Ihe sync
speed you set.
Av
The sync speed is set automatically within a
range of 30" lo 1/90 sec. to match ihe flash
aperture you set and the subject brightness.
You set the flash aperture
manually.
M
You set the flash aperture
manually.*
' If the sync speed is set faster than 1/90 sec,, it will be reset automatically to 1/90 sec.
S * If you set a sync speed faster than 1/90 sec. in the > and modes,
the sync speed will be set automatically to 1/90 sec.
• An external, EOS-dedicated Speedlite and the built-in flash cannot be used
together.
• Before attaching an EOS-dedicated Speedlite to the camera, push down the
built-in flash if it is popped up.
■ When using the built-in flash, stay at least 1 meter away from the subject.
Otherwise, part of the photo will look dark.
' When using the built-in flash, detach any hood attached to the lens. A lens
hood will partially obstruct the flash coverage.
' If any of the following lenses attached to the camera, the flash coverage of
the built-in flash might be obstructed. Use an external EOS-dedicated
Speedlite with these lenses.
Fast lenses such as the EF 17-35mm f/2.8L USM and EF 28-70mm f/2.8L
USM.
Super telephoto lenses such as the EF 300mm f/2.8L USM and EF 600mm
f/4L USM.
■The built-in flash’s flash coverage is effective for lenses as short as 28mm.
With shorter lenses, the periphery of the photograph will look dark.
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