Interchanging The Focusing Screen - Canon EOS-3 Instructions Manual

5. Interchanging the Focusing Screen

The camera's focusing screen can be interchanged to suit the picture-
taking application. You must also set Custom Function CF-0 so that the
standard exposure standard suits the focusing screen.
Focusing Screen Type
N
: New Laser-matte Screen
L : Laser-matte Screen
• If you do not replace the focusing screen that came with the camera, you need
not change Custom Function CF-0's setting.
• To change the focusing screen, refer to the Instructions that comes with the
focusing screen.
• The Ec-A, Ec-B, Ec-I, and Ec-L focusing screens has a prism at the center. This
prism cannot obtain standard exposure readings during evaluative and spot
metering. Use centerweighted averaging metering or off-center spot metering
instead.
Screen Designation
Ec-N, Ec-R
Ec type (A, B, C, CII, D, H, I, L)
1 Open the side door and press the
<
• The Custom Function No. appears.
Turn the <
2
appears.
3 Press the <
seconds. Either "
displayed on the LCD panel.
Pressing the <
between
4 Press the shutter button halfway.
The LCD panel's normal display
reappears.
Custom Function CF-0 Setting
> button.
> dial until "
> button for 2
" or "
> button toggles
and .
0
1
"
" will be
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