Canon 5dsr Manual

131
3 Customizing AF Functions N
You can set whether or not to display the AF point(s) in the following 
cases: 1. When selecting the AF point(s), 2. When the camera is ready 
to shoot (before AF operation), 3. During AF operation, and 4. When 
focus is achieved.
: Selected (constant)
The selected AF point(s) is always 
displayed.
: All (constant)
All AF points are always displayed.
: Selected (pre-AF, focused)
The selected AF point(s) is displayed for 1, 2, and 4.
: Selected (focused)
The selected AF...

3 Customizing AF Functions N
132
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 automatically light up 
in red under low light.
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 lights up 
in red (blink) when you press the < Q> button during AI Servo AF. 
OFF: Non illuminated
The AF...

133
3 Customizing AF Functions N
You can make fine adjustments for the AF’s point of focus. For details, 
see “Fine Adjustment of AF’s Point of Focus” on the next page.
AF Microadjustment 

134
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” on page 
139.
Set the adjustment manually by adju sting, shooting, and checking the 
result. Repeat this until appropriate adjustment is made. During AF, 
regardless of the lens used, the point of focus will always be shifted by 
the adjustment amount.
1Select [AF Mi croadjustment].
Under the [2 5] tab,...

135
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 the rear of 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...

3 Fine Adjustment of AF’s Point of Focus N
136
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 whose adjustment is registered, the 
point of focus will always be shifted by the adjustment amount.
Set the adjustment manually by adjusting, shooting, and checking the 
result. Repeat this until the desired adjustment is made. If you use a zoom 
lens, make the adjustment for the...

137
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
138
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 the rear of the 
standard point of focus.
 For a...

139
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...

140
Autofocus can fail to achieve focus (viewfinder’s focus indicator  
blinks) with certain subjec ts 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 to an...