Canon Eos Rebel T3 1100d Instruction Manual

131
Changing the Autofocus Mode
AF operation
 Focusing will take slightly longer.
  Even when focus has been achieved , pressing the shutter button 
halfway will focus again.
  The image brightness may cha nge during and after the AF 
operation.
  If the light source changes while th e Live View image is displayed, 
the screen might flicker and focusing may be difficult. If this 
happens, stop the Live View shooting and autofocus under the 
actual light source first.
  If you press the < u> button in the...

Changing the Autofocus Mode
132
Shooting conditions which can make focusing difficult:
 Low-contrast subjects such as the blue sky and solid-color, flat 
surfaces.
  Subjects in low light.
  Stripes and other patterns where  there is contrast only in the 
horizontal direction.
  Under a light source whose brightness, color, or pattern keeps 
changing.
  Night scenes or points of light.
  Under fluorescent lighting or when the image flickers.
  Extremely small subjects.
  Subjects at the edge of the...

133
Changing the Autofocus Mode
The dedicated AF sensor is used to focus in One-Shot AF mode (p.81), 
using the same AF method as with viewfinder shooting.
Although you can focus the target area quickly,  the Live View image 
will be interrupted momentarily during the AF operation.
1Display the Live View image.
 Press the < A> button.
XThe Live View image will appear on 
the LCD monitor.
  The small boxes on the screen are 
the AF points, and the larger box is 
the magnifying frame.
2Select the AF point....

Changing the Autofocus Mode
134
3Focus the subject.
 Aim the AF points over the subject 
and press the shutter button halfway.
XThe Live View image will turn off, the 
reflex mirror will go back down, and 
AF will be executed.
XWhen focus is achieved, the AF point 
which achieved focus will turn green 
and the Live View image will 
reappear.
XIf focus is not achieved, the AF point 
will turn orange and blink.
4Take the picture.
 Check the focus and exposure, then 
press the shutter button completely to...

135
You can magnify the image and focus precisely manually.
1Set the lens focus mode switch to 
.
 Turn the lens focusing ring to focus 
roughly.
2Move the magnifying frame.
 Press the < S> key to move the 
magnifying frame to the position 
where you want to focus.
  To return the magnifying frame to the 
center, press < 0>. (If C.Fn-8 has 
been set, press < O> + < 0>.)
3Magnify the image.
  Press the < u> button.XThe area within the magnifying frame 
will be magnified.
  Each time you press the  button,...

136
Live View Shooting Cautions
White  and Red < E> Internal Temperature Warning Icons  If the camera’s internal temperatu re increases due to prolonged Live 
View shooting or a high ambi ent temperature, a white  icon will 
appear. If you continue sh ooting while this icon is displayed, the image 
quality of still photos may deteriora te. You should stop the Live View 
shooting and allow the  camera to cool down before shooting again.
  If the camera’s internal temperatu re further increases while the...

137
Live View Shooting Cautions
Shooting Result Cautions When you shoot continuous ly with the Live View function for a long 
period, the camera’s internal temp erature may increase and it can 
degrade image quality. Terminate Live  View shooting when not shooting 
images.
  Before taking a long exposure, stop  Live View shooting temporarily and 
wait several minutes before shoo ting. This is to prevent image 
degradation.
  Live View shooting in high temperatures and at high ISO speeds may 
cause noise...

138
COPY  

139
Shooting Movies
When you set the Mode Dial to 
, you can shoot High-
Definition (HD) movies. The 
movie recording fo rmat will be 
MOV.
Cards which can record moviesWhen shooting movies, use a larg e-capacity SD card rated SD 
Speed Class 6 “ ” or higher.
If you use a slow-writing card when shooting movies, the movie 
might not be recorded properly. An d if you playback a movie on a 
card having a slow re ading speed, the movi e might not playback 
properly.
To check the card’s read/wri te speed,...

140
When you set the shooting mode to , you can easily shoot High-
Definition (HD) movies with autoexposure. When playing movies, 
connecting the camera to a TV set is recommended (p.184, 191).
1Set the Mode Dial to < k>.
XThe reflex mirror will make a sound, 
then the image will appear on the 
LCD monitor.
2Focus the subject.
 Before shooting a movie, autofocus 
or manual focus (p.128-135).
  When you press the shutter button 
halfway, the camera will focus with 
the current AF mode.
3Shoot the movie....