Canon EOS REBEL T3 Basic Instruction Manual page 425

Bounce flash off the ceiling to brighten a room.
By bouncing flash off the ceiling the room will be filled with
reflected light that naturally brightens both subject and
background. This technique can avoid such problems as dark
backgrounds or overly bright subjects.
- ,
Bounce flash
off
a wall to produce a natural sense of depth.
By
bouncing flash off a waU you Can simulote - ot ony hour and
in ony location - low morning or afternoon sunlight streoming
through
0
window. This technique is also useful for bringing out
depth in the subject since it creotes horizontal or diogonal
shadows.
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