F: Changing The Depth Of Field (Aperture Priority Ae) - Canon EOS Rebel T6i W Instruction Manual

f: Changing the Depth of Field
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.
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.
152
Sharp foreground and background
(With a high aperture f/number: f/32)
Set the Mode Dial to <f>.
1
Set the desired aperture.
2
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).
Take the picture.
3
Focus and press the shutter button

completely. The picture will be taken
with the selected aperture.