Canon EOS 3 User Manual (en)

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Ec-A: Standard microprism
Compatible with all EF
lenses. Lenses with a
maximum aperture
smaller than f/5.6 will
cause the focusing
screen’s microprism to
darken.
Ec-B: New split screen
Compatible with all EF
lenses. Lenses with a
maximum aperture
smaller than f/5.6 will
cause the focusing
screen’s split portion
to darken.
Ec-CIII: Laser-matte
EOS-1 V’s standard
focusing screen. The
CIII logo is imprinted on
the lug to distinguish it
from the Ec-N.
Ec-CII: Laser-matte
EOS-1N’s standard
screen.
Ec-R New Laser-matte
EOS-1N RS’s stan-
dard screen.
Ec-D: Laser-matte with grid
Compatible with all EF
lenses. Ideal for
architectural photo-
graphy and photo
duplication work.
Ec-H: Laser-matte with scale
Compatible with all EF
lenses. The scales at
the center and periph-
ery help you compose
shots for close-ups
and photomicrogra-
phy.
Ec-I: Laser-matte with cross hair reticle
Use the cross hair at
the center to focus.
Suited for photomicro-
graphy and astropho-
tography.
Ec-L: Cross split screen
Compatible with all EF
lenses. Focus with the
vertical and horizontal
splits. Lenses with a
maximum aperture
smaller than f/5.6 will
cause the focusing
screen’s split portion
to darken.
Interchanging the Focusing Screen
Ec-series Interchangeable Focusing Screens
134
 09. C836-E (127~)  28-01-2003  13:03  Pagina 134