Using other eos-dedicated speedlites – Canon EOS 1 V HS User Manual
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Using Other EOS-Dedicated Speedlites
With an EOS-dedicated Speedlite other than the EX series, TTL autoflash
can be easily used like any AE mode.
The flash exposure is controlled by real-time, off-the-film flash metering
linked to the focusing point.
(1)When you press the shutter button halfway, the shutter speed and
aperture are set automatically by the camera as with normal
picture-taking without flash.
Mode
Shutter Speed Setting
Flash Aperture Setting
p
(Program AE)
Auto (1/60 sec. - 1/250 sec.)
Auto
Tu
(Shutter speed-priority AE)
Manual (30 sec. - 1/250 sec.)
Auto
Av
(Aperture-priority AE)
Auto (30 sec. - 1/250 sec.)
Manual
M
(Manual)
Manual (30 sec. - 1/250 sec.)
Manual
(2) When you press the shutter button completely, TTL autoflash
based on the aperture set in (1) is used.
(3) The background exposure is set by the shutter speed and aperture
combination.
Flash exposure compensation can also be set with the camera.
If the multi-Speedlite system is wired with flash cords, TTL autoflash takes
About automatic reduction of flash output
If an EOS-dedicated Speedlite is used to illuminate a subject backlit by an
overhead light, the flash output is reduced automatically to avoid having an
unnatural-looking exposure. This is called automatic reduction of flash output.
C.Fn-14 can cancel the automatic reduction of flash output. (^p.107)
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