Canon eos rebel t1i - Manual (Page 62)

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In indoors, low light, or backlit conditions in daylight, just pop up the
built-in flash and press the shutter button to take flash pictures. In the
mode, the shutter speed (1/60 sec. - 1/200 sec.) will be set
automatically to prevent camera shake.
1
Press the <D> button.
In Creative Zone modes, you can
press the button anytime to take
flash pictures.
While the flash is recycling, “DbuSY”
is displayed in the viewfinder, and
[BUSYD] is displayed on the LCD
monitor.
2
Press the shutter button halfway.
In the bottom left of the viewfinder,
check that the icon is lit.
3
Take the picture.
When focus is achieved and you
press the shutter button completely,
the flash will fire for the picture.
Effective Flash Range [Approx. in meters / feet]
D Using the Built-in Flash
ISO Speed
EF-S18-55mm f/3.5-5.6 IS / EF-S18-200mm f/3.5-5.6 IS
Wide Angle: 18mm Telephoto: 55mm
100 1 - 3.5 / 3.5 - 12 1 - 2.5 / 3.5 - 7.5
200 1 - 5.5 / 3.5 - 17 1 - 3.5 / 3.5 - 11
400/AUTO 1 - 7.5 / 3.5 - 24 1 - 4.5 / 3.5 - 15
800 1 - 11 / 3.5 - 34 1 - 6.5 / 3.5 - 22
1600 1 - 15 / 3.5 - 49 1 - 9.5 / 3.5 - 31
3200 1 - 21 / 3.5 - 69 1 - 13 / 3.5 - 43
6400 1 - 30 / 3.5 - 97 1 - 19 / 3.5 - 61
H: 12800 1 - 42 / 3.5 - 138 1 - 26 / 3.5 - 86