Canon eos 40d 1901b014 User Manual

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In this mode, you set both the shutter speed and aperture as desired. To 
determine the exposure, refer to the exposure level indicator in the 
viewfinder or use a commercially-available handheld exposure meter. 
This method is called manual exposure.
* <
a> stands for Manual.
1
Set the Mode Dial to <
a>.
2
Set the shutter speed and 
aperture.
 
To set the shutter speed, turn the 
<
6> dial.
 
To set the aperture, set the power 
switch to <
J>, and turn the <5>
dial.
3
Focus the subject.
 
Press the shutter button halfway.
X
The exposure setting will be 
displayed in the viewfinder and on the 
LCD panel.
 
The exposure level mark <
s> lets you 
see how far you are from the 
standard exposure level.
4
Set the exposure.
 
Check the exposure level and set the 
desired shutter speed and aperture.
5
Take the picture.
a: Manual Exposure
Exposure level mark
Standard exposure index