Canon 50d Owners Manual

101
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 ex posure). 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...

102
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.
1Select [Expo. comp./AEB].
  Under the [2 ] tab, select [Expo. 
comp./AEB ], then press < 0>.
2Set the AEB amount.
  Turn the < 6> dial to set the AEB 
amount.
 
You can set the exposure compensation 
amount with the <
5> dial. If AEB is 
combined with exposure compensation, 
AEB will be applied centering on the 
exposure...

103
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.
X The exposure setting will be 
displayed.
2Press the  button. (0 )
X The < A> icon lights in the viewfinder 
to indicate that the exposure setting is...

104
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 speed 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 set...

105
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 (p.23) attached to the camera strap.
1Remove the eyecup.
 Push the bottom of the eyecup 
upward.
2Attaching the eyepiece cover.
 Slide the eyepiece cover down into 
the eyepiece groove to attach it.
You can connect the Remote Switch RS-80N3 or Timer Remote 
Controller TC-80N3 (both sold separately) or any EOS accessory 
equipped with...

106
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 -6: Mirror lockup] is set to [1: Enable]  (p.180), 
shooting with mirror lockup will be possible.
1 Focus the subject, 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...

107
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>   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/ 
250 sec. - 1/60 sec.) and aperture are set...

108
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 ], then press < 0>. Select 
[On ], then press < 0>.
 
For 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 be...

109
Using the Built-in Flash
In the same way as normal exposure compensation, you can set exposure compensation 
for flash. You can set flash exposure compensation up to ±2 stops in 1/3-stop increments.
1Press the  button. (9 )
2Set the exposure compensation amount.
 While looking at the LCD panel or 
viewfinder, turn the < 5> dial.
  To cancel the flash exposure 
compensation, set the flash exposure 
compensation amount back to < E>.
 
When you press the shutter button 
halfway, the  icon will be...

110
Using the Built-in Flash
FE (flash exposure) lock obtains and locks the correct flash exposure 
reading for any part of a subject.
1Press the  button to pop-up 
the built-in flash.
  Press the shutter button halfway and 
look in the viewfinder to check that 
the < D> icon is lit.
2Focus the subject.
3Press the  button. (8 )
 
Aim the viewfinder center over the subject 
where you want to lock the flash 
exposure, then press the <
A> button.
X The flash will fire a preflash and the 
required flash...