Canon Eos Rebel T4i 650d Instruction Manual

151
A Menu Function Settings
 Aspect ratio N
The image’s aspect ratio can be set to [ 3:2], [4:3], [ 16:9], or [ 1:1]. 
The area surrounding the Live Vi ew image is masked in black when 
the following aspect ratios are set: [ 4:3] [16:9] [ 1:1].
JPEG images will be saved with the set aspect ratio. RAW images 
will always be saved with the [ 3:2] aspect ratio. Since the aspect 
ratio information is appended to  the RAW image, the image will be 
generated in the respective aspect  ratio when you process...

152
A Menu Function Settings
 Metering timer N
You can change how long the exposure  setting is displayed (AE lock 
time). In Basic Zone modes, metering timer is fixed at 16 sec.
  The Live View shooting will stop with  any of the following operations. To 
resume Live View shooting, press the < A> button again.
• When selecting [ z3: Dust Delete Data ], [53: Sensor cleaning ], 
[ 5 4: Clear settings], or [ 54:  z  firmware ver.]
• When changing the shooting  modes (Basic Zone modes ↔ Creative 
Zone...

153
You can select the AF method suiting the shooting conditions or subject. The following AF methods are provided: [u(face)+Tracking], [FlexiZone - 
Multi] (p.155), [FlexiZone - Single] (p.156), and [Quick mode] (p.160).
AF methods other than the [ Quick mode] use the image sensor to autofocus while displaying the Live View image.
Select the AF method.
 Under the [A] tab, select [AF method].
 Select the desired AF method, then 
press < 0>.
  While the Live View image is 
displayed, you can also press...

154
Changing the Autofocus Method (AF Method)
 If no faces are detected or if you tap 
the LCD monitor but do not select any 
face or subject, the camera will switch 
to [FlexiZone - Multi ] with automatic 
selection (p.155).
3Focus the subject.
  Press the shutter button halfway to 
focus.
X When focus is achieved, the AF point 
will turn green a nd the beeper will 
sound.
X If focus is not achieved, the AF point 
will turn orange.
4Take the picture.
  Check the focus and exposure, then 
press the...

155
Changing the Autofocus Method (AF Method)
Up to 31 AF points (automatically selected) covering a wide area can be 
used to focus. This wide area can also be divided into 9 zones for 
focusing (zone selection). 
1Display the Live View image.
  Press the < A> button.
X The Live View image will appear on 
the LCD monitor.
2Select the AF zone.  N
 Pressing < 0> or the < L> button 
will toggle between automatic 
selection and zone selection. In Basic 
Zone modes, automatic selection is 
set...

156
Changing the Autofocus Method (AF Method)
3Focus the subject.
 Aim the AF point over the subject and 
press the shutter button halfway.
X When focus is achieved, the AF point 
will turn green a nd the beeper will 
sound.
X If focus is not achieved, the area 
frame will turn orange.
4Take the picture.
  Check the focus and exposure, then 
press the shutter button completely to 
take the picture (p.144).
Since only one AF point is used to fo cus, you can focus the target subject.
1Display the Live View...

157
Changing the Autofocus Method (AF Method)
2Move the AF point.
 Press the < S> key to move the AF 
point to where you want to focus. (It 
cannot go to the edges of the picture.) 
To return the AF point to the center, 
press < 0> or the < L> button.
  You can also tap the LCD monitor 
screen to move the AF point.
3Focus the subject.
 Aim the AF point over the subject and 
press the shutter button halfway.
X When focus is achi eved, the AF point 
will turn green a nd the beeper will 
sound.
X If focus...

158
Changing the Autofocus Method (AF Method)
AF Operation
 Focusing will take longer than with [ Quick mode].
  Even when focus has been achieved, pressing the shutter button 
halfway will focus again.
 
The image brightness may change du ring and after the AF operation. If the light source changes while th e Live View image is displayed, 
the screen may flicker and focusing  may be difficult. If this happens, 
exit Live View shooting and autofocus  under the actual light source.
  When [FlexiZone -...

159
Changing the Autofocus Method (AF Method)
Shooting conditions that make focusing difficult
 Low-contrast subjects such as the blue sky, solid-color flat surfaces 
or when highlights or shadow details are lost.
  Subjects in low light.
  Stripes and other patterns where  there is contrast only in the 
horizontal direction.
  Subjects with repetitive pattern s (skyscraper windows, computer 
keyboards, etc.).
  Fine lines and subject outlines.
  Under a light source whose brightness, color, or pattern...

160
Changing the Autofocus Method (AF Method)
The dedicated AF sensor is used to focus in One-Shot AF operation 
(p.95), using the same AF method as  with viewfinder shooting. You can 
use nine AF points to focus (automatically selected). You can also 
select one AF point to focus and focus  only the area covered by that AF 
point (manually selected).
Although you can focus the target subject quickly, the Live View image 
will be interrupted momentarily during the AF operation.
1Display the Live View...