Changing the depth of field (av mode) – Canon EOS Rebel SL3 DSLR Camera with 18-55mm Lens (Black) User Manual
Page 152
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152
Changing the Depth of Field
(Av Mode)
To blur the background or to make everything near and far look sharp, set
the Mode Dial to <
f
> (Aperture-priority AE) to adjust the depth of field
(range of acceptable focus).
* <
f
> stands for Aperture value (the size of the lens diaphragm opening).
Blurred background
(With a low aperture f/number: f/5.6)
Sharp foreground and background
(With a high aperture f/number: f/32)
1
Set the Mode Dial to <
f
>.
2
Set the desired aperture.
z
The higher the f/number, the wider the depth
of field where sharper focus is obtained in
both the foreground and background.
z
Turning the <
6
> dial clockwise sets a
higher f/number (smaller aperture opening),
and turning it counterclockwise sets a lower
f/number (larger aperture opening).
3
Take the picture.
z
When you focus and press the shutter
button completely, the picture will be
taken with the set aperture.
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