Canon EOS REBEL T3 Basic Instruction Manual page 447

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Eliminating shadows caused by strong backlight during the day
Da'{light s'{nc and high-speed S'{nc
When photographing
(1
strongly backlit subject or when the subject is in shade and 'Iou want to a't'oid
background whiteout. use daylight sync. This uses light from the flash to brighten shadows. effectively
balo.ncing subject and background brightness. Since most external flash units produce fairly strong
light. they can reach distant subjects and allow use of large f-numbers. However, this is sometimes not
desirable. such as when you.
WQnt
to blur the bQckgTound. In this case, high-speed sync makes an
excellent choice. This allows you to use smaller f·numbers to create backgrounds with
mOTe
blur than
daylight sync. essentially separating the sub
jed
from the background.
Dlyllghl sync all Dayllghl sync
Oay~ght
sync IS usy and convenlenl Howewf. It
Cinnot
be
used With liSt shuller spnds. maklflg II
dllllCuillO employ smalll-numbefs
and
thus
create baCkQlOUnd
bluf
Hlgh-5peed qne
Hign-speed sync allows you 10 shoot With the
smallest I-numbers available
In
Av mode, glVillg
yOu the
ab'hly
to tl'I3XImlle b.1cltgfOtind blul
Creating atmosphere by changing the overall color of photos
White balance
fhe overall color of a photo can change depending on the light source. White balance control lets you
compensate for this. giving you the ability to adjust for color variances caused by different light
sources. When using auto white balance (AWS), white balance is automatically set for optimal color.
However. you can adjust this setting to create special moods in your photos.
White balance ClOtidy
White llmnce
Flash
While b.1t;mce Tunosten IlQht
Note Pnotos shot under dayl'9hl
I 28 I