Canon EOS REBEL T2I User manual

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Customizing the
You can customize various camera features to suit your
picture-taking preferences. You can do it with Custom
Functions. Custom Functions can be set and used only
in Creative Zone modes.

Setting Custom Functions _
_ Select [Custom Functions (C.Fn)].
_ Under the [_] tab, select [Custom
Functions (C.Fn)], then press <_>.
Custom Function No. _2, Select the Custom Function No.
_ Press the <_ > key to select the
Custom Function No., then press
Change the setting as desired.
_ Press the <AV> key to select the
setting (number), then press <_E_>
_ Repeat steps 2 and 3 if you want to
set other Custom Functions.
_ At the bottom of the screen, the
current Custom Function settings are
indicated below the respective
function numbers.
, Exit the setting.
® Press the <MENU> button.
#**The screen for step 1 will reappear.
Clearing A[[ Custom Functions
On the [_'_ Clear settings] menu, select [Clear a[I Custom Func.
(C.Fn)] to clear aii the Custom Function settings (F144).
19O

Setting Custom Functions*
Custom Functions
C.Fn I: Exposure _ LV shooting
1 Exposure level increments O
2 ISO expansion p.192 O
3 Flash sync, speed in Av mode O
* The C,Fn I -1 setting will also be applied to movie shooting.
C.Fn I1: Image
4 Long exposure noise reduction O
p.193
5 High ISO speed noise reduction O
6 Highlight tone priority p.194 O
C.Fn II1: AutofocuslDdve
I 7 AF-assist beam firing
I 8 Mirror Iockup
C.Fn IV: OperationlOthers
9 ShuttedAE lock button
10 Assign SET button
11 LCD display when power ON
12 Add image verification data
p.195
p.196
p.197
O
O
"The Shaded Custom Functions do not Work during Live view (LV) Shooting.
(Settings are disab!ed,)
191

Custom Function Settings _
Custom Functions are organized into four groups based on the function
type: C.Fn [: Exposure, C.Fn [[: Image, C.Fn Ill: AutofocusfDdve, C.Fn
IV: OperationlOthers.
C,Fn [: Exposure
0: lt3ostop
1: lt2ostop
Sets 1/2-stop increments for the shutter speed, aperture, exposure
compensation, AEB, flash exposure compensation, etc. Effective when you
prefer to control the exposure in less fine increments than 1/3-stop increments.
_The exposure level Will be displayed in the Viewfinder and On the LCD
monitor as shown below.
0: Off
1: On
For the [SO speed, "H" (equivalent to BSO 12800) wil! be setectable.
However, if [C.Fn-6: HighBight tone priority] is set to [1: Enable], "H"
cannot be seL
0: Auto
The flash sync speed is set automatically within a range of 1/200 sec. to
30 see. to suit the scene's brightness.
1:11200o1160 sec. auto
When flash is used with aperture-priority AE (Av), this prevents a slow
flash-sync speed from being set automatically in low-light conditions. It
is effective for preventing subject blur and camera shake. However,
while the subject will be properly exposed with the flash, the background
will come out dark.
2:1t200 sec. (fixed)
The flash°sync speed is fixed to 1/200 sec. This more effectively
prevents subject blur and camera shake than with setting 1. However,
the background may come out darker than with setting 1.
192

Custom Function Settings*
_L_ When i or 2 iSset high:speed Sync Cannot be uSed With art externai Speediite
C,Fn ll: Image
0: Off
1: Auto
For 1 sec. or longer exposures, noise reduction is performed
automatically if noise typical of long exposures is detected. This [Auto]
setting is effective in most cases.
2: On
Noise reduction is performed for all exposures of 1 sec. or longer. The
[On] setting may be effective for noise that cannot be detected or
reduced with the [Auto] setting.
@ W th setting i and 2, aftei the p cture iS iaken, the nO Se redUct On
propess may take the same amount of time as the exposure. You cannot
take another picture unti! the n0ise reduction process is completed.
® At ISQ 1600 and higher, noise might be more pronounced with setting 2
than with setting 0 0r 11
® With setting 2, ifa Io0g exposure is shot during Live View dispiay, '!BUSY" will b#
displayed during the noise reduction process. The L!veView display w!Hnot
appear until the noise reduction is completed. (Youcannot take another picture.)
Reduces the noise generated in the image. Although noise reduction is
applied at all ISO speeds, it is particularly effective at high ISO speeds. At
low ISO speeds, the noise in the shadow areas is further reduce& Change
the setting to suit the noise level.
0: Standard
1: Low
2: Strong
3: Disable
With Setting 2, the maximum burst for continuous sh00iing will greatly
decrease.
193

Custom Function Settings*
0: Disable
1: Enable
Improves the highlight detail The dynamic range is expanded from the
standard 18% gray to bright highlights. The gradation between the grays
and higMighte becomes smoother.
_ With setting 1, the [Disable] settin£ automatically laKes effect for the
Auto Lighting Optimizer U:.103) and it cannot be changed.
With setting 1, noise may eecome shghtiy more pronounced tiqan usual.
With sett qg 1, the settable ISO speed range will be 200 6480.
Also. the <De-> icon wili be displayed on the LCD monitor and in the
viewfinder when highlight tone priority is enabled.
CoFnIll: AutofocuslDrive
The AF-assist beam can be emitted by the camera's built-in flash or by an
external, EOS-dedieated Speediite.
O: EnabJe
1: Disable
The AF-assist beam is not emitted.
2: Enable external flash only
If an external, EOS-dedicated Speedlite is attached, it wil! emit the AF-
assist beam when necessary. The camera's built-in flash will not fire the
AF-assist beam.
3: IR AF assist beam only
Among EOS=dedicated Speedlites, only those which have an infrared
AF-assist beam will be able to emit the beam. This prevents any
Speedlite which uses a series of smal! flashes (like the built=in flash)
from firing the AF=assist beam=
If the externa !, EOS_dedieated speed!ite!s [AF-ass!st beam firing] Custom
Function is set to [Disabled], the Speedlite w!!l not emit the AF-ass!st bea m
even if the camerals 0.Fn-7-0t2/3 is set,
194

Custom Function Settings*
0: Disable
1: Enable
Prevents camera vibrations caused by the reflex mirror action which can
disturb shooting with super telephoto lenses or close-up (macro)
shooting. See page 106 for the mirror Iockup procedure.
C,Fn IV: Operation/Others
0: AF/AE Book
1: AE moeklAF
Convenient when you want to focus and meter separately. Press the
<-_(_> button to autofocus, and press the shutter button halfway to appby
AE lock.
2: AFtAF mock, no AE Book
Bnthe AI Servo AF mode, you can press the <-)(_> button to stop the AF
operation momentari}y. This prevents the AF from being thrown off by
any obstacle passing between the camera and subject. The exposure is
set at the moment the picture is taken.
3: AE/AF, no AE Boek
This is useful for subjects which keep moving and stopping repeatedly.
Bnthe AI Servo AF mode, you can press the <_> button to start or stop
the AI Servo AF operation. The exposure is set at the moment the
picture is taken. Thus, the optimum focusing and exposure will always
be achieved as you wait for the decisive moment.
When 1 or 3 is set, pressing the Remote Switch (p1205) halfl_vay Will not
work.
195

Custom Function Settings*
You can assign a frequently-used function to <8>. Press <8> when the
camera is shootingoready.
O: Normal (disabled)
1: linage quality
Press <_> to display the image-recording quality setting screen on the
LCD monitor.
Press the < _;_> key to select the image-recording quality, then press
<:_>.
2: Flash exposure compensation
When you press <8>, the flash exposure compensation setting screen
will appear.
3: LCD monitor On/Off
Assigns the same function as the <D[SR> button.
4: Menu display
Assigns the same function as the <MENU> buttom
5: ISO speed
Assigns the same function as the <[SO> button.
O: Display on
When the power switch is turned on, the shooting settings wil! be
displayed (p_44).
1: Previous display status
If you pressed the <D[SR> button and turned off the camera while the
LCD monitor was off, the shooting settings will not be displayed when
you turn on the camera again. This helps to save battery power. The
menu screens and image playback will stitl be displayed when used.
If you pressed the <DISR> button and turned off the camera while the
LCD monitor was on, the shooting settings will be displayed when you
turn on the camera again.
196

Custom Function Settings*
0: Disable
1: Enable
Data for verifying whether the image is original or not is appended to the
image automatically. When the shooting information of an image
appended with the verification data is dispbayed (p.173), the <_> icon
will appear.
To verify whether the image is original, the Original Data Security Kit
OSK-E3 (sold separately) is required.
The images are not Compatibl e with the image encryptiontdecryption ......
features of Origina! Data Security Kit OSK-E3,
197