99E-TTL II autoflash obtains high-precision and consistent flash shots.If necessary, the built-in flash will pop-up automatically in low-lightor backlit conditions. (except in <3> <5> <7> modes)Regardless of the light level, you can press the <D> button to pop-upand fire the built-in flash whenever desired. If the built-in flash haspopped up, you can push it back down with your fingers.d : For fully automatic flash photography. The shutter speed(1/ 60 sec. - 1/250 sec.) and aperture are set automatically.s : Enables you to set the desired shutter speed (30 sec. - 1/250 sec.). The flash exposure will be set automatically to matchthe aperture that was set automatically.f : Enables you to set the desired aperture. The flash exposurewill be set automatically to match the aperture that was set. Theshutter speed will set automatically between 30 sec. - 1/250sec. to suit the scene’s brightness.In low light, the main subject is exposed with the automaticflash, and the background is exposed with a slow shutter speedset automatically. Both the subject and background lookproperly exposed (automatic slow-speed flash sync).With slow shutter speeds, using a tripod is recommended.If you do not want to use a slow shutter speed, set [8C.Fn I-7] (Flash sync. speed in Av mode) to [1:1/250sec. (fixed)].(p.155)a : You can set both the shutter speed (bulb or 30 sec. - 1/250sec.) and aperture. The flash exposure will be set automaticallyto match the aperture that was set. The background exposurewill vary depending on the shutter speed and aperture.8 : The flash result will be the same as the <d> mode.Using the Built-in FlashUsing the Built-in Flash in the Basic ZoneUsing the Built-in Flash in the Creative Zone
