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Utilizing the AF point setting and registration

Instantly recalled AF points using [Switch to registered AF point]

Store your preferred AF point for instant access at the touch of a button 

Use [Custom Controls] 
from [C.Fn5: operation]

Using the [Custom Controls] option 
from the custom function [C.Fn5: 
operation] menu allows an AF point 
to be registered and recalled instantly.
This function can also be used to 
a s s i g n  v a r i o u s  f u n c t i o n s  to  t h e 
different camera controls.

There are two options to 
customize the controls to 
register and AF point

After selecting another AF 
point or AF area mode, press 
the assigned button 
(selected in stage 1) to switch 
to the registered AF point.

A

  Assign [Metering - AF start] to 

the 

 button, or the   button 

then press info and select 
[Registered AF point)

B

  Assign [Switch to registered AF 

point] to the   button, 

, or 

 button. Press info to select if 

the option is applied only when 
the button is held or not

Set up steps

1

 Manually select AF points 
you will want to recall.
(This is possible with all AF 
area selection modes 
except Zone AF)

2

Press the   button while 
pressing the 

 button 

until you hear a beep. 

3

AF point registration and usage is described above. Also, for more 
advanced usage this setting can be combined with [Orientation linked 
AF point] setting (described on pages 42-43). Selecting the option 
[Select separate AF points], from the [Orientation linked AF point] 
option makes it is possible to register and recall AF points separately 
for all three positions, vertical (grip top/bottom), and horizontal as 
well as the remembered AF point for orientation.

S h o o t i n g t h e s i d e t o s i d e 
movement of tennis strokes. 
After photographing the player 
positioned to the right side with 
a manually selected AF point at 
the upper right, it was switched 
to the AF point registered at the 
upper left with a single push of 
a button, then the player was 
p h o t o g r a p h e d  r e t u r n i n g  a 
backhand shot positioned to the 
right side. 

When the 

 button, or the   button are assigned the function 

[Metering - AF start], instant switching of registered AF points 
becomes possible. Press the 

 button in the [Customize Controls] 

assignment screen, and then select [Registered AF point]. Now when 
the button is held the AF will use the registered AF pointed.

Another function that is effective for quickly 
switching AF points while shooting is AF point 
registration and recall feature possible using 
[Custom Controls]. There are several methods 
to achieve this; one is to assign registered AF 
points to a button via [Custom Controls] 
function. The second method is AF point or [AF 
area selection mode] registration. By carrying 
out either of the two options, you can press a 
buttons and instantly switch between registered 
AF points.
By registering frequently used AF points, or a 

strategically placed AF point, enables instant 
response without the need to reframe or alter 
the cameras position. Further refinement in 
operation is possible, with the <Depth-of-field 
preview>, and the <Lens AF stop> buttons 
when set to ([Switch to registered AF point] 
setting). These buttons provide the possibility to 
[Switch only while pressed] or [Maintain 
switching until pressed again] settings, making 
detailed customization possible. Using these 
settings enables the camera suit the way you 
shoot. 

Summary of Contents for EOS 5D Mark III

Page 1: ...AF Setting Guidebook Detailed explanations of how to use the various high precision AF features...

Page 2: ...ement of cross type points used by the F 5 6 lenses Setting the AF Shutter release Characteristics 40 AF operation and shutter release timing settings Utilizing the AF 42 AF points can be set to switc...

Page 3: ...rvo Settings related to the camera priorities when using AI Servo AF The AF 2 tab includes settings related to cameras priority concerning shutter release timing when using AI Servo AF AI Servo 1st im...

Page 4: ...ets to match the characteristics of the type of subject and its movement and the shooting conditions can be selected from Case 1 Case 6 By simply selecting one of these cases settings for the AI Servo...

Page 5: ...ent sudden changes in speed and interruptions by obstacles AI Servo AF III overcomes these and is able to capture the subject Case 1 is the recommend setting to start shooting with Case 1 will provide...

Page 6: ...side to side movement The subject will be tracked even when they move away from the AF points Case 2 is an effective setting for shooting fast moving subjects when they move away from the selected AF...

Page 7: ...ons this setting can be extremely effective is when switching between different subjects you want to shoot for example at the start of a bicycle road race when you want to shoot continuously and switc...

Page 8: ...ons and it can be difficult for the AF system to judge accurately In these situations Case 4 is most effective With the Accelerate decelerate Tracking parameter set to 1 the AI Servo AF will work to f...

Page 9: ...atically switches to other AF points that contain the subject As a result even when the subject continuously leaves the selected AF point it is possible to increase the ratio of photos that are in foc...

Page 10: ...Therefore Case 6 is an effective setting for subjects that stop and start suddenly but also have erratic movement which could happen in any direction it works during Auto selection 61 point AF Zone AF...

Page 11: ...he Responsive 1 2 setting determines that subjects that come into the AF point are new subjects to be focused and quickly focuses It is also effective when you want to quickly focus on subjects that a...

Page 12: ...us accuracy Other parameters are the same so first try shooting with default settings then increase the setting to 1 and then 2 settings when more effective settings are desired Examples where the 0 s...

Page 13: ...subject Use the setting when you want the camera to automatically decide switch to use a new AF point and the 0 setting is used when you want to place emphasis on manually selected AF points to track...

Page 14: ...he camera selects and focuses auto matically Zone AF 61 point automatic selection AF Using only one AF point Press the S button How to set the AF area selection mode Using multiple AF points zone The...

Page 15: ...spot AF mode can be used to focus on a small area of the subject This option makes it possible to focus on the exact area even when there is an obstacle near the area you want to focus on A common ex...

Page 16: ...shooting subjects which might be difficult to determine movement select surrounding mode and when you want to focus on the area the covered by central manually selected AF point best to select the Up...

Page 17: ...ne focusing zones can be selected and the AF point is automatically selected from within that zone Zone AF differs from AF point expansion with it s manually selected AF point which AF tracking is bas...

Page 18: ...t position is selected for Single Point AF and then A F area is s witched to 61 Point Automatic Selection AF When using Auto selection of 61 AF points during AI Servo AF focusing will start from the m...

Page 19: ...II USM The colored AF points are for illustrative purpose only This does not represent the actual viewfinder display Up to 41 point cross type AF with f 4 lenses enabling superior tracking performance...

Page 20: ...ke use of the central 21 point cross type AF EF70 200mm f 4L IS USM EF100 400mm f 4 5 5 6L IS USM EF 17 40mm f 4 L USM EF70 300mm f 4 5 6L IS USM In Group C 41 point cross type AF points can be used w...

Page 21: ...t to shoot with a fixed interval between photos Shooting speed priority This setting gives priority to focusing on a subject and it cannot capture an image unless it is in focus It is recommended when...

Page 22: ...s shot was taken with the orientation option set so that when in the horizontal position the central AF point was set but when the grip is at the top in a vertical position the AF point is at the bott...

Page 23: ...ntal as well as the remembered AF point for orientation S h o o t i n g t h e s i d e to s i d e movement of tennis strokes After photographing the player positioned to the right side with a manually...

Page 24: ...n as they approach You can leave AF point selection up to the camera and concentrate on framing as you shoot From AF point expansion to 61 point automatic selection AF Buttons that can be assigned to...

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