Canon EOS 450D Instruction Manual

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9
Customizing the
Camera
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. 
						

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1Select [Custom Functions (C.Fn)]. 
 Under the [7] tab, select [Custom 
Functions (C.Fn)], then press .
2Select the Custom Function No.
 Press the  key to select the 
number of the Custom Function to be 
set, then press .
3Change the setting as desired.
 Press the  key to select the 
desired setting (number), then press 
.
 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 
numbers.
4Exit the setting.
 Press the  button to return 
to the menu.
On the [7 Clear settings] menu, select [Clear all Custom Func. 
(C.Fn)] to clear all the Custom Function settings. (p.114)
3 Setting Custom FunctionsN
Custom Function No.
Clearing All Custom Functions 
						

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3 Setting Custom FunctionsN
Custom Functions
C.Fn I: Exposure
1Exposure level incrementsp.1542Flash sync. speed in Av mode
C.Fn II: Image
3Long exposure noise reductionp.155
4 High ISO speed noise reduction
5Highlight tone priorityp.1566Auto Lighting Optimizer
C.Fn III: Auto focus/Drive
7
AF-assist beam firing
p.157 8 AF during Live View shooting
9Mirror lockup
C.Fn IV: Operation/Others
10Shutter/AE lock buttonp.15811SET button when shooting
12 LCD display when power ON
p.159
13Add original decision data
The Custom Functions whose numbers are shaded do not function during 
Live View shooting. (Settings are disabled.) If C.Fn-8-1/2 has been set and 
you want to use AE lock, set C.Fn-10-1. 
						

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Custom Functions are organized into four groups based on the function 
type: C.Fn I: Exposure, C.Fn II: Image, C.Fn III: Auto focus/Drive, C.Fn 
IV: Operation/Others.
3 Custom Function SettingsN
C.Fn I: Exposure
C.Fn-1 Exposure level increments
0: 1/3-stop
1: 1/2-stop
Sets 1/2-stop increments for the shutter speed, aperture, exposure 
compensation, AEB, etc. Effective when you prefer to control the 
exposure in less fine increments than 1/3-stop increments.
C.Fn-2Flash sync. speed in Av (Aperture-priority AE) mode
0: Auto
The flash sync speed is set automatically within a range of 30 sec. to 1/
200 sec. to suit the scene’s brightness.
1: 1/200 sec. (fixed)
The flash picture can be taken without camera shake.
The exposure level will be displayed in the viewfinder and on the LCD 
monitor as shown below. 
						

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3 Custom Function SettingsN
C.Fn II: Image
C.Fn-3 Long exposure noise reduction
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 1 sec. or longer. The [On] 
setting may be effective for noise that cannot be detected or reduced 
with the [Auto] setting.
C.Fn-4 High ISO speed noise reduction
0: Off
1: On
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 reduced.
With setting 2, if a long exposure is made during Live View shooting, the 
LCD monitor will not display anything (no Live View image display) while 
noise reduction is applied.
After the picture is taken, the noise reduction process may take the same 
amount of time as the exposure. You cannot take another picture until the 
noise reduction process is completed.
With setting 1, the maximum burst for continuous shooting will greatly 
decrease. White balance bracketing will also be disabled. 
						

							3 Custom Function SettingsN
156
C.Fn-5 Highlight tone priority
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 highlights becomes smoother.
C.Fn-6 Auto Lighting Optimizer
0: Enable
If the image comes out too dark or the contrast is too low, the image 
brightness and contrast are corrected automatically. (Depending on the 
shooting conditions, image noise may increase.) This function will not 
work with manual exposures nor 1 and 1+73 images.
In the Basic Zone modes, the Auto Lighting Optimizer will operate 
automatically.
1: Disable
With setting 1, noise in the shadow areas may be slightly more than usual.
With setting 1, the settable ISO speed range will be 200 - 1600.
Also, the ISO speed displayed in the viewfinder, will have the “0” displayed 
as a smaller character such as “2oo”. When the image’s shooting 
information (p.131) is displayed, the ISO speed’s “0” will also be displayed 
as a smaller character.
B 
						

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3 Custom Function SettingsN
C.Fn III: Auto focus/Drive
C.Fn-7 AF-assist beam firing
The AF-assist beam can be emitted by the camera’s built-in flash or by the 
external, EOS-dedicated Speedlite.
0: Enable
1: Disable
AF-assist beam not emitted.
2: Only external flash emits
If an external, EOS-dedicated Speedlite is attached, it will emit the AF-
assist beam when necessary. The camera’s built-in flash will not emit 
the AF-assist beam.
C.Fn-8 AF during Live View shooting
When 1 or 2 is set, AF will be possible during Live View shooting. For 
details, see pages 102 - 106.
0: Disable
1: Quick mode
 (p.102)
2: Live mode (p.104)
C.Fn-9 Mirror lockup
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 94 for the mirror lockup procedure.
If the external, EOS-dedicated Speedlite’s [AF-assist beam firing] Custom 
Function is set to [Disabled], the Speedlite will not emit the AF-assist beam 
even if the camera’s C.Fn-7-0/2 is set. 
						

							3 Custom Function SettingsN
158
C.Fn IV: Operation/Others
C.Fn-10 Shutter/AE lock button
0: AF/AE lock
1: AE lock/AF
Convenient when you want to focus and meter separately. Press the 
 button to autofocus and press the shutter button halfway to attain 
AE lock.
2: AF/AF lock, no AE lock
In the AI Servo AF mode, you can press the  button to stop the AF 
operation momentarily. 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 lock
This is useful for subjects which keep moving and stopping repeatedly. 
In the 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.
C.Fn-11 SET button when shooting
You can assign a frequently-used function to . When the camera is 
ready to shoot, you can press .
0: Normal (disabled)
1: Change quality
After pressing , look at the LCD monitor and press the  key to 
set the image-recording quality directly.
2: Flash exposure compensation
When you press , the flash exposure compensation screen 
appears so you can quickly change the setting.
3: LCD monitor On/Off
Gives the same function as the  button.
4: Menu display
Gives the same function as the  button. 
						

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3 Custom Function SettingsN
C.Fn-12 LCD display when power ON
0: Display
When the power switch is turned on, the shooting settings will be 
displayed.
1: Retain power OFF status
If you pressed the  button to turn off the LCD monitor and then 
you turn off the power, the LCD monitor will not turn on when you turn on 
the power again. This helps to save battery power. The menu screens 
and image playback will still be displayed when used.
If you pressed the  button and then turn off the power while the 
shooting settings are displayed, the LCD monitor will turn on the next 
time you turn on the power.
C.Fn-13 Add original decision data
0: Off
1: On
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 displayed (p.131), the  icon 
will appear.
To verify whether the image is original, the Original Data Security Kit 
OSK-E3 (sold separately) is required.
If the [Live View shoot.] menu has been set to [Enable], the Live View 
shooting will override any setting from 1 to 4. When the camera is ready to 
shoot, pressing  will show the Live View image instead.
The images are not compatible with the image encryption/decryption 
features of Original Data Security Kit OSK-E3. 
						

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For faster access, you can register up to six menus and Custom Functions whose settings you change frequently.
1Select [My Menu settings].
 Under the [9] tab, select [My Menu 
settings], then press .
2Select [Register].
 Select [Register], then press .
3Register the desired menus.
 Select a menu, then press .
 When the confirmation dialog 
appears and you select [OK] and 
press , the menu will be 
registered.
 Repeat this procedure to register up 
to six menus.
 To return to the screen in step 2, 
press the  button.
[Sort] and other settings displayed in step 2 are as follows:
 Sort
You can change the order of the registered menus in My Menu. 
Select [Sort] and select the menu whose order you want to change. 
Then press . With [z] displayed, press the  key to 
change the order, then press .
 Display from My Menu
When [Enable] is set, the [9] tab will be displayed first when you 
display the menu.
 Delete and Delete all items
Deletes the registered menu items. [Delete] deletes one menu item, 
and [Delete all items] deletes all menu items.
3 Registering My MenuN
My Menu settings