Canon EOS 5D Mk.4 Manual

149
3 Customizing AF Functions N
You can set whether to display the AF point(s) when AF starts, during 
AF, when focus is achieved, and when the metering timer is active after 
focus is achieved.
: Selected (constant)
: All (constant)
: 
Selected (pre-AF,focused)
: Selected AF pt (focused)
OFF: Disable display
AF point display during focusAF5
k: Displayed,  l: Not displayed
AF point display 
during focusWith AF point  selectedBefore AF starts  (Camera 
shooting-ready)At AF start
Selected (constant) kkk...

3 Customizing AF Functions N
150
You can set whether the AF points in the viewfinder are to light up in red 
when focus is achieved.
AUTO: Auto
The AF points achieving focus in low 
light or with a dark subject will 
automatically light up in red.
ON: Enable
The AF points light up in red 
regardless of the ambient light level.
OFF: Disable
The AF points do not light up in red.
With [ Auto] or [Enable ] set, you can set whether the AF point is to light 
up in red when you press the < Q> button during AI...

151
3 Customizing AF Functions N
You can display the AF status icon i ndicating AF operation either inside 
or outside of the viewfinders field of view.
: Show in field of view
The AF status icon < i> is displayed in 
the lower right of the viewfinder’s field of 
view.
: Show outside view
The < e> icon is displayed below the 
focus indicator < o> outside the 
viewfinder’s field of view.
You can make fine adjustments for the AF’s point of focus. For details, 
see “Fine Adjustment of AF’s Point of Focus”...

152
Fine adjustment of the AF’s point of focus is possible for viewfinder 
shooting. This is called “AF Mi croadjustment”. Before making the 
adjustment, read “General Cautions  for AF Microadjustment” and 
“Notes for AF Microadjustment” on page 157.
Set the adjustment amount m anually by repeatedly making 
adjustments, shooting, and checking the  results until the desired result 
is achieved. During AF, regardless of the lens used, the point of focus 
will always be shifted by the adjustment amount....

153
3 Fine Adjustment of AF’s Point of Focus N
4Make the adjustment.
 Set the adjustment amount. The 
adjustable range is ±20 steps.
  Setting it toward “-: ” will shift the 
point of focus in front of the standard 
point of focus.
  Setting it toward “+: ” will shift the 
point of focus to behind the standard 
point of focus.
  After making the adjustment, press 
.
  Select [ All by same amount ], then 
press < 0>.
5Check the result of the 
adjustment.
  Take a picture and play back the 
image (p.394)...

3 Fine Adjustment of AF’s Point of Focus N
154
You can make the adjustment for each lens and register the adjustment 
in the camera. You can register the adjustment for up to 40 lenses. 
When you autofocus with a lens w hose adjustment is registered, the 
point of focus will always be shifted by the adjustment amount.
Set the adjustment amount m anually by repeatedly making 
adjustments, shooting, and checking the  results until the desired result 
is achieved. If you use a zoom lens , make the...

155
3 Fine Adjustment of AF’s Point of Focus N
Entering the Serial Number
 Select the digit to be entered, then 
press < 0> so < r> is displayed.
  Enter the number, then press < 0>.
  After entering all the digits, select 
[OK ].
Lens Serial Number
 In step 3, if “ * ” appears in front of the 10-digit lens serial 
number, you can register only one unit of the same lens model. 
Even if you enter the serial number, “ * ” will remain displayed.
  The serial number on the lens may differ from the serial...

3 Fine Adjustment of AF’s Point of Focus N
156
4Make the adjustment.
 For a zoom lens, select the wide-
angle (W) or telephoto (T) end. 
Pressing < 0> will turn off the purple 
frame and make the adjustment 
possible.
  Set the adjustment amount, then 
press < 0>. The adjustable range is 
±20 steps.
  Setting it toward “-: ” will shift the 
point of focus in front of the standard 
point of focus.
  Setting it toward “+: ” will shift the 
point of focus to behind the standard 
point of focus.
  For a...

157
3 Fine Adjustment of AF’s Point of Focus N
When [  Clear all] appears at the bottom of the screen, pressing the 
< L > button will clear all the adjustments made for [ All by same 
amount ] and [Adjust by lens ].
Clearing All AF Microadjustments
When shooting with the intermediate range (focal length) of a zoom lens, the 
AF’s point of focus is corrected automatically relative to the adjustments 
made for the wide-angle and telephoto ends. Even if only the wide-angle or 
telephoto end is adjusted, a...

158
Autofocus may fail to achieve focus (focus indicator  in the 
viewfinder blinks) with special  subjects such as the following:
Subjects Difficult to Focus
 Subjects with very low contrast
(Example: Blue skies, solid-color flat surfaces, etc.)
  Subjects in very low light
  Strongly backlit or  reflective subjects
(Example: Cars with highly reflective bodies, etc.)
  Near and distant subjects framed close to an AF point 
(Example: Animals in cages, etc.)
  Subjects such as dots of light framed close...