How to use the Flash Control system on the EOS Digital Rebel XSi

Article ID: ART101344 | Date published: 05/11/2015 | Date last updated: 09/29/2015
 

Description

How to use the Flash Control system on the EOS Digital Rebel

Solution

The built-in flash and external Speedlite can also be set with the menu. The menu for the external Speedlite will be applicable only to EX-series Speedlites whose functions can be set with the camera.

[Built-in Flash Func. Setting]

Select [Flash control].
  • Under the [6] tab, select [Flash control], then press <SET>.
  • The flash control screen will appear.

  • Normally, set this to [Enable].
  • If [Disable] is set, the built-in flash and external Speedlite will not fire. This is good when you only want to use the AF-assist beam.

  • [Flash mode] cannot be selected.
  • [Flash exp. comp] can be set
  • Set [E-TTL II]

Shutter sync.

Normally, set this to [1st curtain] so that the flash fires immediately after the exposure starts.

If [2nd curtain] is set, the flash will fire right before the exposure ends. When this is combined with a slow sync speed, you can create a trail of light such as from car headlights at night. With 2nd curtain sync, two flashes will be fired. Once when you press the shutter button completely, and once immediately before the exposure ends.

E-TTL II

For normal flash exposures, set it to [Evaluative].

If [Average] is set, the flash exposure will be averaged for the entire metered scene as with an external metering flash. Flash exposure compensation may be necessary depending on the scene, so this is for advanced users.

Setting the External Speedlites

Select either [External flash func. setting] or [External flash C.Fn

setting]. For details on which external Speedlite settings the camera can set, see the compatible EX-series (such as the 580EX II) Speedlite's instruction manual.

Attach the Speedlite to the camera and turn on the Speedlite.

Select either [External flash func. setting] or [External flash C.Fn setting].
  • Select either one, then press <SET>.
  • Settings which cannot be set will be dimmed.

Set the external flash function settings.

  • Select a flash function and set it as desired. The procedure is the same as setting a menu function.
  • On the flash function settings screen, the settable items, current settings, flash mode setting, and flash Custom Function settings might look different on your camera.
  • If you press the <DISP> button to clear the Speedlite settings, the external Speedlite and built-in flash settings will be cleared.

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