Manual
Interchanging the Focusing Screen
You can interchange the camera’s focusing screen to suit the picture-taking
application. You must also set C.Fn-0 so that the criteria for the correct
exposure suits the focusing screen.
Focusing Screen Type
Designation
C.Fn-0 Setting
M : New Laser-matte Screen Ec-N, Ec-R
0
L ; Laser-matte Screen Ec-series (A, B, C, Cll, Gill, D, H, I, L)
1
Open the side door and press the
<c.Fn> button.
• The Custom Function No. appears.
Turn the<^S^> dial until “F-0”
appears.
Press the <c.Fn> button for 2
seconds.
• Either “u ” or “ I ” will be displayed on
the LCD panel.
• Pressing the <C.Fn> button toggles
between 0 and /.
Press the shutter button halfway.
• The LCD panel’s normal display
reappears.
o
C.Fn-0 cannot be registered in a Custom Function group.
• If you do not replace the focusing screen that came with the camera, you need
not change C.Fn-O’s setting.
• To change the focusing screen, refer to the Instructions that came with the
focusing screen.
• The Ec-A, Ec-B, Ec-I, and Ec-L focusing screens have a prism at the center. A
correct exposure reading cannot be obtained with evaluative metering or spot
metering based on the prism at the center. Use centerweighted averaging
metering or off-center spot metering with these focusing screens.
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