Canon Eos 3 Owners Manual

							Quick Start With Program AE
If the shutter speed or aperture blinks, it means a standard exposure ca\
nnot be obtained.
Although the picture can be taken, it may come out too light or too dark\
. For details, see
“Exposure Warning List” on page 130.
Shifting the Program
In the Program AE mode , you can freely change the shutter speed
and aperture combination (program) set by the camera while retaining t\
he
same exposure value. This is called shifting the program.
To shift the program, press the shutter button halfway and turn the < >
dial until the desired shutter speed or aperture is displayed.
31
The program shift setting is canceled after the picture is taken.
[Exposure Warnings]
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							32
To obtain sharp pictures, hold the camera still to minimize camera shake\
.
•Firmly grasp the camera grip with your right hand.
• Hold the lens with your left hand.
• Press the camera against your face and look through the viewfinder.
• To maintain a stable stance, place one foot in front of the other 
instead of lining up both feet.
Dioptric Adjustment Lenses
By attaching a dioptric adjustment lens on the viewfinder eyepiece, near\
-
or far-sighted users can look through the viewfinder without eyeglasses.\
The camera viewfinder is set to -1 diopter, and ten dioptric adjustment
lenses are available. When selecting a dioptric adjustment lens, first
attach it to your camera and check that it is the proper one before
purchasing. See page 138.
•The EOS-3 is compatible with Ed-series dioptric adjustment lenses.
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							Autofocus (AF)
The area AF ellipse has 45 focusing points. By selecting the optimum
focusing point, autofocusing can be executed while you maintain the
desired subject framing. You can also set the AF mode to suit the subjec\
t
or intended effect.
First set the < > switch to < >. If
necessary, also set the < > switch to
.
33
All 45 focusing points are not displayed at
one time.
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							1. AF Mode Selection
AF Mode Selection
Set the lens focus mode switch to.
While pressing the camera’s < >
mode button, turn the < > dial
until the desired < > mode is
displayed on the LCD panel.
34 Release the < > mode button.
1
2
3
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							AF Mode Selection
AF Modes
Different AF modes have different AF operation characteristics. The
camera has two AF modes: One-Shot AF for still subjects, and AI Servo
AF for moving subjects. (AI is an abbreviation for Artificial Intellige\
nce.)
Select the AF mode which suits the subject.
One-Shot AF for Still
Subjects
Pressing the shutter button halfway
activates AF operation and achieves
focus.
•The focusing point which achieves focus
flashes briefly and the in-focus indicator ( ●) in
the viewfinder lights at the same time.
• When the < > switch is set to < >, the
beeper also sounds when focus is achieved.
• With evaluative metering, the exposure setting
(shutter speed and aperture) will be set when
focus is achieved. The exposure setting and
focus will be locked as long as the shutter
button is pressed halfway. You can then
recompose the shot while retaining the
exposure setting and point of focus.  See page
49.
35
In-focus indicator
Focusing point 
If focus cannot be achieved, the in-focus indicator in the viewfinder wi\
ll blink. If this
occurs, a picture cannot be taken even if the shutter button is pressed \
completely.
Reframe the shot and focus again. Also see “Manual Focusing” on pa\
ge 52.
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							AF Mode Selection
AI Servo AF for Moving
Subjects
While you press the shutter button
halfway, the camera focuses
continuously. This AF mode suits
moving subjects. With predictive AF,
the camera can also focus track a
subject which steadily approaches or
retreats from the camera. The
exposure setting are set immediately
before the picture is taken.
* About Predictive AF
If the subject approaches or retreats from the camera at a constant rate\
,
the camera tracks the subject and predicts the focusing distance
immediately before the picture is taken. This is for obtaining correct f\
ocus
at the moment of exposure.
When focusing point selection is automatic, the camera first uses the
center focusing point to focus. If the subject later moves away from the\
center focusing point, focus tracking continues as long as the subject i\
s
covered by another focusing point in the area AF ellipse. The active
focusing point does not light.
36
• In the AI Servo AF mode, the viewfinder’s in-focus indicator does not\
 light and the
beeper does not sound even when focus is achieved.
• If the viewfinder’s in-focus indicator blinks, focus cannot be achiev\
ed.
• The focus cannot be locked (except when Custom Function CF-4 is set to \
2.)
With Custom Function CF-4, you can lock the focus momentarily by pressin\
g the
  button even while the AI Servo AF is active. See page 108.
Custom Function CF-11 enables you turn the < > dial to change the focusing
point to track the subject in the AI Servo AF mode. See page 116.CF
CF
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							2. Area AF Ellipse and Focusing Points
The area AF ellipse is an area where the subject is focused. The area AF\
ellipse has 45 focusing points, making AF possible over a wide area in t\
he
viewfinder. You can concentrate on composing the picture without
worrying about whether a focusing point is covering the subject. As long\
as the subject is within the area AF ellipse, the camera will focus the
subject automatically.Focusing points in the area AF ellipse 
(The focusing points do not light up all at once.)
37
Focusing point
Area AF ellipse
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							3. Focusing Point Selection
The focusing point is selected in one of three ways:
●Automatic SelectionThe camera selects the focusing point automatically to suit the
situation.
●Manual SelectionYou select one of the 45 focusing points manually.
●Eye-Control SelectionYou select a focusing point by looking at it in the area AF ellipse.
Focusing Point Selection
Set the < > switch to < >.
Press the < > button. ( )
• The current focusing point lights.
6
38 Turn the < > and/or < > dial
to select the desired
focusing point.
•
The < > dial selects a focusing point on
the left or right.
The < > dial selects a focusing point
toward the top or bottom.
1
2
3
Custom Function CF-17 expands the number of focusing points made availab\
le for
manual focusing point selection. See page 120.CF
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							Focusing Point Selection
•When the dial is turned, the selected focusing
point shifts in the following loop: Automatic
selection  ↔Up  ↔Center  ↔Down  ↔
Automatic selection.
• As shown in the figures, the focusing point
selection shifts from single ( ) to double
() to single ( ) focusing  point(s).
• This loop applies to all focusing point columns.
39
●Using the < > dial to select a left or right
focusing point
Automatic Selection
• When the dial is turned, the selected focusing point shifts in the follo\
wing loop: Automatic
selection  ↔Left  ↔Center  ↔Right  ↔Automatic selection.
• This loop applies to all focusing point rows.
●Using the dial to select an upper or lower focusing point.
• When double focusing points ( )
are selected, focusing point
selection will be automatic.
• When double focusing points have
been selected and a left or right
focusing point is selected, only one
focusing point at a time will be
selected.
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							Eye-Control Focusing
Point Selection
Set the < > switch to < >.
Look at the subject covered by the
area AF ellipse and press the
shutter button halfway.
•The selected focusing point will light and
achieve focus.
Focusing Point Selection
The focusing point selection takes
effect after 6 seconds or when the
shutter button is pressed halfway.
404
The focusing point selection method can be altered with the Custom Funct\
ion 
CF-11. See page 116.CF
1
2
Custom Function CF-10 can prevent or limit the lighting up of the focusi\
ng point.
See page 114.CF
Before you can accurately select a focusing point with Eye Control, cali\
bration will be
required. For details, see “Eye-Control Calibration” on page 42 an\
d “Eye-Control
One-Shot AF” on page 47.
When the < > button is pressed while the < > is pressed, the < > dial can
be turned to select a focusing point toward the top or bottom.
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