The EOS-3 is the world’s first high-performance AF single-lens reflex
camera with Eye-Control area AF. The camera’s many features can suit
diverse picture-taking requirements from fully automatic operations to
highly specialized applications. It also retains the simple electronic dial
operation found on other top-tier EOS cameras.
Before using the camera, read this Instructions booklet and familiarize
yourself with the camera.
Precautions
Before using the camera for important events such as a weddings,
be sure to take test shots to make sure the camera operates
properly.
EOS cameras have a lens mount fitted with electrical contacts for
dedicated operation (autofocusing, exposure control, etc.) with
Canon EF lenses. Using a non-EF lens with an EOS camera may
not result in proper camera or lens operation.
Also, the warranty does not cover any malfunction or damage
occurring with the use of non-Canon lenses.
Symbols used in this Instructions booklet:
41 : Warning for preventing camera malfunction.
H : Supplementary notes for basic camera operation.
# : Flelpful tip for operating your camera and taking pictures.
Page numbers in parentheses indicate where you can find more
information.
Also read “Handling Precautions” on page 6 to prevent faulty
pictures and camera mishaps.
Retain this Instructions manual for future reference.
Contents
Before You Start
Quick Start With
Program AE
Autofocus (AF)
Handling Precautions
Nomenclature
1. Basic Operation
2. Installing the Battery and
Checking the Battery Level
3. Mounting and Detaching a Lens..23
Program AE..........................................30
Shifting the Program
1. AF Mode Selection
AF Modes
2. Area AF Ellipse and
Focusing Points
3. Focusing Point Selection...............38
• Automatic Selection
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21
31
34
35
37
38
6
9
1. Selecting a Metering Mode............54
Metering Modes
Shooting Modes
Flash Photography
2. Metering Modes.............................55
Evaluative Metering (C®])
1. Shutter Speed-Priority AE (Tv):
You Set the Shutter Speed............62
2. Aperture-Priority AE (Av):
You Set the Aperture
3. Depth-of-field AE (DEP):
You Set the Depth of Field
Depth-of-field AE with a Manually-
Selected Focusing Point................68
Depth-of-field AE with Eye-Selected
Focusing Points
{ 1 ) The camera is a precision instrument. Do not drop it or subject it to
{ 2 ) This camera is not waterproof and cannot be used underwater. If the
( 3 ) Do not leave the camera in places prone to excessive heat such as
{ 4 ) The camera contains precision electronic circuitry. Never attempt to
(5 ) Use only a blower brush to blow away dust on the lens, viewfinder
and Storage
physical shock.
camera gets really wet, promptly consult your nearest Canon Service
Center. Wipe off any water droplets with a dry cloth. If the camera
has been exposed to salty air, wipe with a well-wrung damp cloth.
in a car on a sunny day. Excessive heat can cause the camera to
malfunction.
disassemble the camera.
eyepiece, focusing screen, film compartment, and mirror. Do not use
an organic solvent-containing cleaner to clean the camera body or
lens. For stubborn dirt, consult your nearest Canon Service Center.
( 6 ) The shutter curtains are extremely thin. Use only a blower to clean.
Be careful not to blow air too forcefully on the shutter curtains. The
shutter curtains can be easily deformed or damaged. Also, when
loading and unloading film, be careful not to touch the shutter
curtains.
(7) Do not touch the electrical contacts with your fingers. Otherwise
corrosion may develop on the contacts, resulting in improper camera
operation.
(8 ) If the camera is not to be used for an extended period, remove the
battery. Store the camera in a well-ventilated, cool, dry place. During
the storage period, release the shutter a few times once in a while.
(9) Avoid storing the camera in a laboratory, cabinet, etc., where
corrosive chemicals are present.
(10) If the camera has not been used for an extended period or if the
camera is to be used for an important event, check the operation of
all the camera controls or take it to your nearest Canon Service
Center.
Handling Precautions
(11) After detaching the lens from the camera, put on the lens caps or put
down the lens with the rear end up to avoid scratching the lens
surface and electrical contacts.
(12) Even when the Main switch is set to <H>, a small amount of power
is still supplied to the camera’s LCD panel. However, this does not
affect the number of film roils which can be taken with the battery.
In time, the camera’s LCD (liquid-crystal display) panel indications may
become light and difficult to read. If this happens, have it replaced (at
cost) by a Canon Service Center.
At low temperatures, the display response of the LCD panel may become
slower. And at 60°C or higher temperatures, the display may blacken. In
either case, the display will return to normal at room temperature.
Si L
55
If the battery power falls to a very low level or a camera misoperation or
malfunction occurs, “b e” will blink on the LCD panel. In such a case,
follow the procedure below:
(1 ) Press the battery check button to check the battery power. If the
battery power is low, replace the battery.
( 2 ) If the battery power is normal, remove the battery and reload it.
( 3 ) Release the shutter once.
If the “b e” then turns off, the camera is back to normal. However, if this
procedure is repeated and “be ” still continues to blink, the camera has a
malfunction. Take it to your nearest Canon Service Center.
Handling Precautions
The camera operates only after the battery is properly installed (see page
21). Check the battery power in the following cases;
(1) After replacing the battery.
(2) After not using the camera for an extended period.
(3) The shutter does not work.
(4) The camera is being used in a low-temperature environment.
(5) Before using the camera for an important event.
• Before installing the battery, wipe the battery contacts to remove any
fingerprints and smudges. This is to prevent faulty connections and
corrosion.
• Never disassemble or recharge the battery. Also, never store a battery
in high-temperature places or short circuit the battery contacts or toss
a battery into a fire.
• Although lithium batteries work well even in low temperatures, battery
performance may suffer slightly in freezing temperatures. In such a
case, keep a spare battery warm in a pocket, etc., and use and warm
the batteries alternately.
Even when be is not displayed or when it blinks on the LCD panel, a
correctly-exposed picture can still be taken as long as the shutter can be
released. However, when the battery power runs out, there may not be
enough power to advance and rewind the film automatically, “fee” will
then blink on the LCD panel. After the battery is replaced with a new one,
film advance will resume automatically or film rewind will continue when
the midroll film <Q±i> is pressed.
8
Nomenclature
• Reference page numbers are indicated in parentheses.
• In the text, camera controls are indicated by their respective icons.
Lens mount
Lens mount index (page 23)
Focusing screen
Lens lock pin
Lens release button