E-TTL II/E-TTL Autoflash by Shooting Mode for EX-Series Speedlites

Article ID: ART172750 | Date published: 12/19/2018 | Date last updated: 12/19/2018
 

Description

E-TTL II/E-TTL Autoflash by Shooting Mode for EX-Series Speedlites

Solution

Simply set the camera's shooting mode to <Tv> (shutter-priority AE), <Av> (aperture-priority AE), or <M> (manual exposure) and you can use E-TTL II/E-TTL autoflash suitable for each shooting mode.
Tv Select this mode when you want to set the shutter speed manually. The camera will then automatically set the aperture matching the shutter speed to obtain the standard exposure based on the metering of the camera.
  • If the aperture value blinks, it means that the background exposure will be underexposed or overexposed. Adjust the shutter speed until the aperture value stops blinking.
Av Select this mode when you want to set the aperture manually. The camera will then automatically set the shutter speed, matching the aperture to obtain the standard exposure based on the metering of the camera. If the scene is dark, a slow sync speed will be used to obtain the standard exposure for both the subject and the background.The standard exposure for the main subject is obtained with the flash light, while the standard exposure for the background is obtained is obtained with a long exposure using a slow shutter speed.
  • Since a slow shutter speed will be used for low-light scenes, using a tripod is recommended.
  • If the shutter speed blinks, it means that the background exposure will be underexposed or overexposed. Adjust the aperture until the shutter speed stops blinking.
M Select this mode if you want to set both the shutter speed and aperture manually.
Standard exposure of the main subject is obtained with the flash light. The exposure of the background is obtained with the shutter speed and aperture combination you set.
 
NOTE: If you use the <DEP> or <A-DEP> shooting mode, the result will be the same as using the <P> (Program AE) mode.

Flash Sync Speeds and Apertures by Shooting Mode
  Shutter Speed Aperture
P Automatically set (at least 1/X sec.to 1/60 sec.) Automatically set
Tv Manually set (at least 1/X sec. to 30 sec.) Automatically set
Av Automatically set (at least 1/X sec. to 30 sec.) Manually set
M Manually set (at least 1/X sec. to 30 sec., Bulb) Manually set
  • "1/X sec." is the camera's maximum flash sync speed.

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