Canon Eos Rebel T6i 750d Instruction Manual

211
Using AF to Focus (AF Method)
AF Operation
Even when focus is achieved, pre ssing the shutter button halfway 
will focus again.
 You cannot focus on a moving subject continuously.
 The image brightness may change during and after the AF 
operation.
 Depending on the subject or shoot ing conditions, etc., focusing may 
take longer or the continuous s hooting speed may become slower.
 If the light source changes while the  Live View image is displayed, 
the screen may flicker and focusing may be...

Using AF to Focus (AF Method)
212
Shooting Conditions that Make Focusing Difficult
Low-contrast subjects such as the bl ue sky, solid-color flat surfaces 
or when highlight 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 patterns (Example: Skyscraper windows, 
computer keyboards, etc.).
 Fine lines and subject outlines.
 Under a light source whose brightness, color, or pattern keeps...

213
Using AF to Focus (AF Method)
If focus is not achieved with the shooting conditions on the preceding 
page, set the lens focus mode switch to < MF> and focus manually.
 If you use AF with any of the following  lenses, focusing may take longer 
or correct focus may not be achieved. EF50mm f/1.4 USM, EF50mm f/1.8 II, EF50mm f/2.5 Compact Macro, 
EF75-300mm f/4-5.6 III, EF75-300mm f/4-5.6 III USM
For information on discontinued lenses, refer to the Canon Web site.
 If you shoot a peripheral subject...

214
Just by tapping on the LCD monitor screen, you can focus and take the picture automatically. This works in all shooting modes.
1Display the Live View image.
Press the < A> button.
 The Live View image will appear on 
the LCD monitor.
2Enable the touch shutter.
 Tap [ y] on the screen’s bottom left. 
Each time you tap on the icon, it will 
toggle between [ y] and [ x].
 [x ] (Touch shutter: Enable) 
You can tap on the spot to focus and 
shoot.
 [y ] (Touch shutter: Disable) 
You can tap on the...

215
x Shooting with the Touch Shutter
 Even if you set the drive mode to < i>, the camera will still shoot in 
single shooting mode.
 The touch shutter does not work with the magnified view.
 If the Fish-eye effect Creative filter  is set, the camera will focus using the 
AF point on the center of the screen regardless of the point you tap on.
 If the Miniature effect Creative filter is set, the touch shutter does not 
work.
 When [ 10: Shutter/AE lock button ] is set to [1: AE lock/AF ] or [3: AE/...

216
You can magnify the image and focus precisely with manual focus.
1Set the lens focus mode switch to 
.
 Turn the lens focusing ring to focus 
roughly.
2Display the magnifying frame.
Press the < u> button.
 The magnifying frame will appear.
 You can also tap [ s] on the screen to 
magnify the image.
3Move the magnifying frame.
 Press the < S> cross keys to move 
the magnifying frame to the position 
where you want to focus.
 To return to the screen’s center, press 
 or the < L> button.
4Magnify...

217
MF: Focusing Manually
5Focus manually.
While looking at the magnified image, 
turn the lens focusing ring to focus.
 After achieving focus, press the < u> 
button to return to the normal view.
6Take the picture.
 Check the focus and exposure, then 
press the shutter button to take the 
picture (p.192). 

218
General Live View Shooting Cautions
Image QualityWhen you shoot at high ISO speeds,  noise (such as dots of light and 
banding) may become noticeable.
 Shooting in high temperatures may cause noise and irregular colors in 
the image.
 If Live View shooting is used continuously for a prolonged period, the 
camera’s internal temperature may rise, and image quality may 
deteriorate. Always exit Live View shooting when you are not shooting.
 If you shoot a long exposure while the  camera’s internal...

219
General Live View Shooting Cautions
Live View ImageUnder low- or bright-light conditions, the Live View image may not reflect 
the brightness of the captured image.
 Even if a low ISO speed is set, noise may be noticeable in the displayed 
Live View image under low light. However, when you shoot, the image 
recorded will have minimal noise. (The image quality of the Live View 
image is different from that of the recorded image.)
 If the light source (illumination) within the image changes, the...