Specifications

CANON
EOS-1V/EOS-3
CAMERAS & LENSES
20
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PHOTO - VIDEO - PRO AUDIO
Sophisticated Exposure Control
The EOS-3 and EOS-1v let you capture the light as you see it. Canon’s exclusive AIM (Advanced Integrated Multi-Point
Control) system integrates Area AF and all six metering modes available with the EOS-1v/3. Focus on a subject within the
Area AF ellipse, and they will meter that area for the optimum result where it’s needed most. All six metering modes use the
21-zone evaluative metering sensor. Six metering modes, six program modes and three flash metering modes capture your
vision in all manner of lighting situations.
METERING MODES
21-Zone Evaluative Metering
Offers efficient coverage of the focus area by
defining the active focusing point as the main
subject and setting independent metering areas
for each of 15 major focusing points within the
Area AF ellipse. By considering a range of
metered values from adjacent areas, clearly
capture the subject, even with various brightness
levels in the frame.
Center-weighted Average Metering
Meters the brightness of all zones and calculates
exposure from this reading. Metering is weighted :
the farther the area is from the center, the lower
the sensitivity.
Center Spot Metering
Center spot metering mode covers only 2.4% of
the central image area, allowing precise metering
of a very small portion of the subject. Idea for
achieving the correct exposure for a subject in
setting with sharp contrasts in brightness.
Multi-Spot Metering
Express personal preferences for subtle detail in
both bright and dark areas when shooting images
with significant differences in brightness contrast.
Up to eight spot readings can be registered.
Focusing Point-Linked
Spot Metering
Linked spot metering not only allows accurate
metering that is unaffected by background bright-
ness plus offers a high level of freedom for choos-
ing composition.
Partial Metering at Center
In this mode approx. 8.5% of the central image is
metered. The metering area is exceptionally well-
defined, which makes it easy to judge the ideal
exposure setting based on the brightness balance
between the subject and the background. Ideal for
those who want to set exposure manually.
◆ Program AE—They automatically
determine the optimum exposure
according
to the programmed combination
of shutter
speed and aperture setting. The
program can be shifted easily by means of
the Main/Quick Control Dials. While the
camera remains at an optimum exposure
setting, you can select a combination of
shutter speed and aperture settings
appropriate to the shooting situation.
◆ Depth of-field AE— This mode lets you
manually select two focusing points for
calculating the aperture value. This value
is used for setting the depth of field at a
level that ensures sharp focusing between
the two points. Very helpful for portrait
shots using a telephoto lens.
◆ Shutter-speed Priority—while you set
the shutter speed (30 to 1/8000 sec.) the
aperture is automatically adjusted.
◆ Aperture Priority—you set the aperture
while the camera sets the optimum shutter
speed. Effective mode for emphasizing
depth-of-field.
◆ Bulb—essential for shooting night views,
fireworks or for astronomical photography.
It offers continual exposure for as long as
the shutter button is fully depressed. Bulb
exposure lapse time can be displayed on
the large LCD pane for up to 23 hours, 59
minutes, 59 seconds.
◆ Manual— for complete control. You select
the shutter speed and aperture setting.
AUTOMATIC AND MANUAL EXPOSURE MODES
FLASH METERING MODES
The EOS-3/ EOS-1v live up to their design philosophy of offering perfect connections between
various systems with their two flash metering modes for the advanced E-TTL autoflash mode
and the conventional A-TTL or TTL autoflash modes. The cameras make automatic selection
between the two flash metering modes depending on the system connected to them.
◆ With an E-TTL Speedlite connected, they fire a pre-flash
after metering ambient light, then meter the reflected light
on the subject. The optimal flash rate is determined through
a comparative
calculation of the two metered values. The
21-zone metering sensor is used to meter both the ambient
light on the subject and the pre-flash.
◆ 3-zone TTL off-the-film plane metering offers automatic
exposure when shooting with A-TTL or TTL Speedlites.
Reflected light on three zones of the film surface is
metered
using the TTL sensor. An optima
l exposure compensation
value is set for each zone limited to the focusing point, based on the result of this metering.
◆ AEB (Auto Exposure Bracketing) allows you to bracket three consecutive frames automatically
up to ±3 stops in 1/3- or 1/2-stop increments. The exposure level changes with each
bracketed frame in the order of correct exposure, underexposure and overexposure. Ideal
when there is complex lighting or using a narrow latitude film.
To assist the creative freedom, they have no fully-automated mode that leaves all settings to the
camera. Instead they are equipped with convenient AE modes that let you input your will while
concentrating on your composition.