Canon EOS-1Ds Manual De Instrucciónes

165

Reference

Changing the Focusing Screen

Ec-A: Standard microprism

Ec-H: Laser-matte with scale

Lenses with a maxi-
mum aperture smaller
(higher f/number) than
f/5.6 will cause the
focusing screen’s
microprism to darken.

The scales at the
center and periphery
help you compose
shots for close-ups and
photomicrography.

Ec-B: New split screen

Ec-I: Laser-matte with cross hair

Lenses with a maxi-
mum aperture smaller
(higher f/number) than
f/5.6 will not cause the
focusing screen’s
microprism to darken.

Use the cross hair at
the center to focus.
Suited for photomicrog-
raphy and astrophotog-
raphy.

Ec-CII: All Laser-matte

Ec-L: Cross split screen

EOS-1N’s standard
focusing screen.

Focus with the vertical
and horizontal splits.
Lenses with a maxi-
mum aperture smaller
(higher f/number) than
f/5.6 will cause the
focusing screen’s split
portion to darken.

Ec-CIII: Laser-matte

Ec-N: New Laser-matte

EOS-1Ds, EOS-1D and
EOS-1V’s standard
focusing screen. The
CIII logo is imprinted on
the lug to distinguish it
from the Ec-N.

EOS-3’s standard
focusing screen.

Ec-D: Laser-matte with grid

Ec-R: New Laser-matte

Ideal for architectural
photography and photo
duplication work.

EOS-1N RS’s standard
focusing screen.

Ec-series Interchangeable Focusing Screens