Canon Speedlite 220EX SPEEDLITE 220EX Instruction Manual - Page 11

Automatic Flash in Each Shooting Mode Just set the camera's shooting mode to (shutter-priority AE), (aperture-priority AE), or (manual exposure), and you can use E-TTL II/E-TTL autoflash. Select this mode when you want to set the shutter speed manually. The camera will then automatically set the aperture matching the X shutter speed (30 sec. - 1/X* sec.) to obtain a If the aperture display blinks, it means that standard exposure. the background exposure will be underexposed or overexposed. Adjust the shutter speed until the aperture display stops blinking. Select this mode when you want to set the aperture manually. The camera will then automatically set the shutter speed (30 sec. - 1/ X* sec.) matching the aperture to obtain a standard exposure. If the background is dark like a night scene, a slow sync speed will be used to obtain a standard exposure of both the main subject and background. Standard exposure of the main subject is obtained with W the flash, while a standard exposure of the background is obtained with 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 display blinks, it means that the background exposure will be underexposed or overexposed. Adjust the aperture until the shutter speed display stops blinking. Select this mode if you want to set both the shutter speed and aperture manually. O Standard exposure of the main subject is obtained with the flash. The exposure of the background is obtained with the shutter speed (buLb, 30 sec. - 1/X* sec.) and aperture combination you set. * 1/X sec. is the camera's maximum flash sync speed. In the or mode, the result will be the same as shooting in the (Program AE) mode. 10