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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
:
New Laser-matte Screen
Ec-N, Ec-R 0
: Laser-matte Screen
Ec-series (A, B, C, CII, CIII, D, H, I, L)
1
L
N
1Open the side door and press the
<> button.
•The Custom Function No. appears.
2Turn the < > dial until “ ”

appears.

3Press the < > button for 2

seconds.

•Either “ ” or “ ” will be displayed on
the LCD panel.
•Pressing the < > button toggles
between and .
4Press the shutter button halfway.
•The LCD panel’s normal display
reappears.
•If you do not replace the focusing screen that came with the camera, you need
not change C.Fn-0’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.
C.Fn-0 cannot be registered in a Custom Function group.
SEC.09 P119-142 (E) 29-01-2003 12:40 Pagina 127