Regardless of the light level, you can press the <D> button to pop-up and fire the built-in flash whenever desired. P : For fully automatic flash photography. The shutter speed (1/ 60 sec. - 1/200 sec.) and aperture value are set automatically, just as in <0> (Full Auto) mode. Tv : Enables you to set the desired shutter speed (30 sec. - 1/ 200 sec.). The camera then automatically sets the flash aperture value to obtain the proper exposure at the shutter speed you have set. Av : Enables you to set the desired aperture value. The camera then automatically sets the shutter speed (30 sec. - 1/200 sec.) to obtain the proper exposure at the aperture you have set.
Against dark backgrounds such as the night scenes, slow-sync shooting will be set so that both the subject and background are exposed correctly. The main subject is exposed with the flash, and the background is exposured with a slow shutter speed.
• Because automatic slow-sync shooting uses a slow shutter speed, always use a tripod.
• If you do not want a slow shutter speed to be set, set C.Fn-3 [Flash sync. speed in Av mode] to [1: 1/200sec. (fixed)]. (p.148)
M : You can set both the shutter speed (bulb or 30 sec. - 1/200 sec.) and aperture value. The main subject is exposed properly by the flash. The background exposure will vary depending on the shutter speed and aperture. A: The flash result will be the same as the <P> mode. 96
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