Canon EOS 1300D - Manual (Page 110)

110
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, which is the size of the diaphragm hole inside
the lens.
1
Set the Mode Dial to <f>.
2
Set the desired aperture.
 The higher the f/number, the wider
the depth of field where sharper focus
is obtained in both the foreground
and background.
 Turning the <6> dial to the right will
set a higher f/number (smaller
aperture opening), and turning it to
the left will set a lower f/number
(larger aperture opening).
3
Take the picture.
 Focus and press the shutter button
completely. The picture will be taken
with the selected aperture.
f
: Changing the Depth of Field
Sharp foreground and background
(With a high aperture f/number: f/32)
Blurred background
(With a low aperture f/number: f/5.6)
Aperture Display
The higher the f/number, the smaller the aperture opening will be. The

f/number displayed will differ depending on the lens. If no lens is attached to
the camera, “00” will be displayed for the aperture.