Canon 40d Manual

91
Objects in the foreground and background will be in focus automatically. 
All the AF points will function to detect the subject, and the aperture 
required to attain the necessary depth of field will be set automatically.
*  stands for Auto-Depth of field. This mode sets the depth of field automatically.
1Set the Mode Dial to < 8>.
2Focus the subject.
 Aim the AF points over the subjects 
and press the shutter button halfway. 
(0 )
  All the subjects covered by the AF 
points flashing in red will be...

92
Four metering modes are provided: Evaluative, partial, spot, and 
center-weighted average metering. In the Basic Zone modes, 
evaluative metering is set automatically.
1Press the  button. (9 )
2Select the metering mode.
 While looking at the LCD panel, turn 
the < 6> dial.
q :Evaluative metering
w :Partial metering
r :Spot metering
e :Center-weighted average 
metering
q Evaluative metering
This is an all-around metering mode suited for 
portraits and even backlit subjects. The camera 
sets the...

93
Exposure compensation is used to alter the standard exposure set by 
the camera. You can make the image look brighter (increased 
exposure) or darker (decreased exposure). You can set the exposure 
compensation up to ±2 stops in 1/3-stop increments.
1Turn the Mode Dial to any 
Creative Zone mode except .
2Check the exposure level 
indicator.
  Press the shutter button halfway and 
check the exposure level indicator.
3Set the exposure  compensation 
amount.
  Set the power switch to < J>, and 
while...

94
By changing the shutter speed or aperture automatically, the camera 
brackets the exposure up to ±2 stops in 1/3-stop increments for three 
successive shots. This is called AEB.
* AEB stands for Auto Exposure Bracketing.
1Select [AEB].
 Under the [ 2] tab, select [ AEB], then 
press < 0>.
2Set the AEB amount.
  Turn the < 5> dial to set the AEB 
amount, then press < 0>.
X When you exit the menu, < h> and 
the AEB level will be displayed on the 
LCD panel.
3Take the picture.
 Focus and press the...

95
Use AE lock when the area of focus is to be different from the exposure 
metering area or when you want to take multiple shots at the same exposure 
setting. Press the <
A> button to lock the exposure, then recompose and 
take the shot. This is called AE lock. It is effective for backlit subjects.
1Focus the subject.
 Press the shutter button halfway.
XThe exposure setting will be displayed.
2Press the < A> button. (0 )
X The < A> icon lights in the viewfinder 
to indicate that the exposure setting...

96
When bulb is set, the shutter stays open while you hold down the 
shutter button completely, and closes when you let go of the shutter 
button. This is called bulb exposure. Use bulb exposures for night 
scenes, fireworks, the heavens, and other subjects requiring long 
exposures.
1Set the Mode Dial to .
2Set the shutter sp eed to “buLb.”
 While looking at the LCD panel, turn 
the < 6> dial to select “ buLb.”
  The next setting after “ 30"” is “ buLb .”
3Set the desired aperture and shoot.
 To...

97
Bulb Exposures
If you take a picture without looking at the viewfinder, light entering the 
eyepiece can throw off the exposure. To prevent this, use the eyepiece 
cover attached to the camera strap.
1Remove the eyecup.
 From the bottom of the eyecup, push 
it upward.
2Attaching the Eyepiece Cover.
 Slide the eyepiece cover down into 
the eyepiece groove to attach it.
You can connect Remote Switch RS-80N3 or Timer Remote Controller 
TC-80N3 (both sold separately) or any EOS accessory equipped with...

98
Although using the self-timer or Remote Switch can prevent camera 
shake, using mirror lockup to prevent camera vibrations can also help 
when you use a super telephoto lens or shoot close ups.
When [8C.Fn III -7] (Mirror lockup) is set to [1:Enable]  (p.160),
shooting with mirror lockup will be possible.
1 Focus the subj ect, press the shutter button completely 
and release it.
X The mirror will swing up.
2 Press the shutter button completely again.
XThe picture is taken and the mirror goes back...

99
E-TTL II autoflash obtains high-precision and consistent flash shots.
If necessary, the built-in flash will pop-up automatically  in low-light 
or backlit conditions. (except in < 3>  < 7 > modes)
Regardless of the light level,  you can press the  button to pop-up 
and fire the built-in flash whenever desired.  If the built-in flash has 
popped up, you can push it back down with your fingers.
d :For fully automatic flash photography.  The shutter speed 
(1/ 60 sec. - 1/250 sec.) and aperture are set...

100
Using the Built-in Flash
Effective Range of Built-in Flash[Approx. meters/feet]
Using the red-eye reduction lamp before taking a flash picture can 
reduce red eye. Red-eye reduction will work in any shooting mode 
except   .
 Under the [ 1] tab, select [ Red-eye 
On/Off ] and press < 0>. Set it to 
[ On ], then press < 0>.
  In flash photography, when you press 
the shutter button halfway, the red-
eye reduction lamp will light. Then 
when you press the shutter button 
completely, the picture will...