Canon Camera Eos 5d Mark Iii User Manual

211
Using AF to Focus
Shooting conditions that 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 or LED light sources or when t he image flickers.
  Extremely small subjects.
  Subjects at the edge of the...

212
Using AF to Focus
The dedicated AF sensor is used to focus in One-Shot AF mode (p.70), 
using the same AF method as with viewfinder shooting.
Although you can focus th e target area quickly, the Live View image 
will be interrupted momentarily during the AF operation.
In AF area selection modes other than 61-point automatic selection AF, 
you can manually select the AF point or zone. In the < A> mode, “61-
point automatic selection AF” is set automatically.
1Display the Live View image.
 Press the <...

213
Using AF to Focus
3Select the AF point.
 The AF point selection will change in 
the direction you tilt the < 9>. If you 
press < 9> straight down, the center 
AF point (or center Zone) will be 
selected.
 
You can also use the  and  
dials to select the AF point. The <
6> 
dial selects an AF point in the horizontal 
direction, and the <
5> dial selects an 
AF point in the vertical direction.
4Focus the subject.
  Aim the AF point over the subject and 
press the shutter button halfway.
X The Live View...

214
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.
2Move the magnifying frame.
 Use < 9> to move the magnifying 
frame to the position where you want 
to focus.
  Pressing < 9> straight down will 
return the magnifying frame to the 
image center.
3Magnify the image.
  Press the < u> button.
X The area within the magnifying frame 
will be magnified.
  Each time you press the < u> button, 
the view will...

215
Live View Shooting Cautions
Image Quality When you shoot at high ISO speeds,  noise (dots of light, banding, etc.) 
may become noticeable.
 
Shooting in high temperatur es may cause noise and irregul ar colors in the image. If Live View shooting is used contin uously for a long period, the camera’s 
internal temperature may  rise, degrading image qua lity. Stop Live View 
shooting when not shooting images.
  If you shoot a long expo sure while the camera’s internal temperature is 
high, image quality...

216
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.
  If the light source within the image ch anges, the screen may flicker. If this 
happens, stop the Live View shooti ng and resume shooting under the 
actual light source to be used.
  If you point the camera in  a different direction, it may throw off the Live 
View image’s correct brightness mo mentarily. Wait until the brightness 
level...

217
Shooting Movies
Movie shooting is enabled by 
setting the Live View shooting/
Movie shooting switch to . 
The movie recording format will 
be MOV.
Cards that can record movies
  When shooting movies, use a la rge-capacity card with a 
fast writing/reading spee d as shown in the table.
  If you use a slow-writing card  when shooting movies, the movie 
may not be recorded properly. Also , if you play back a movie on 
a card with a slow re ading speed, the movi e may not play back 
properly.
  If you...

218
When the shooting mode is set to , < d>, or < F>, autoexposure 
control will take effect to suit the scene’s current brightness. Exposure 
control will be the same for the three shooting modes.
1Set the Mode Dial to < A>, , 
or .
2Set the Live View shooting/Movie 
shooting switch to < k>.
XThe reflex mirror will make a sound, 
then the image will appear on the 
LCD monitor.
3Focus the subject.
  Before shooting, focus with AF or 
manual focus (p.207-214).
  When you press the shutter button 
halfway,...

219
k Shooting Movies
When the shooting mode is , you can manually set the shutter 
speed for movie shooting. The  ISO speed and aperture will be set 
automatically to suit the brightness and obtain a standard exposure.
1Set the Mode Dial to .
2Set the Live View shooting/Movie 
shooting switch to < k>.
3Set the desired shutter speed.
 While looking at the LCD monitor, 
turn the < 6> dial. The settable 
shutter speeds depend on the frame 
rate < 9>.
•  6  5  4 : 1/4000 sec. - 1/30 sec.
•  8 7 : 1/4000...

220
k Shooting Movies
When the shooting mode is , you can manually set the aperture 
for movie shooting. The ISO speed and shutter speed will be set 
automatically to suit the brightness and obtain a standard exposure.
1Set the Mode Dial to < f>.
2Set the Live View shooting/Movie 
shooting switch to < k>.
3Set the desired aperture.
 While looking at the LCD monitor, 
turn the < 6> dial.
4 Focus and shoot the movie.
 The procedure is the same as steps 3 
and 4 for “Autoexposure Shooting” 
(p.218)....