Canon Eos 3 Owners Manual

							3. Program Line
The program line below applies when the camera is used in the Program
AE (P) mode with an EF 50mm f/1.4 USM lens.
Program Line Description
The bottom horizontal axis represents the shutter speed and the right
vertical axis represents the aperture. On the left edge and top edge of \
the
graph, the Exposure Value (EV) is indicated on a 45-degree scale. The
program line indicates the shutter speed and aperture which the Program
AE mode sets automatically for the respective EV.
Example: When the subject brightness is EV 12, the point where the
diagonal line from EV 12 (on the top edge of the graph) intersects the\
program line indicates the corresponding shutter speed (1/320 sec.) an\
d
aperture (f/3.5) which the program sets automatically.
The arrowhead lines above the graph indicate the metering range for the
respective film speed.
131
12
25
50
ISO 6
100200
400
800
1600
3200
6400
5
4
3
2
1
0
-1
-2
-3
-4
-5 30 15 8 4 2 1 2 4 8 15 30 60 125 250 500 1000 2000 4000 8000 3.5
320
SHUTTER SPEED
Aperture32 22
16
11 8
5.6 4
2.8 2
1.4 1.0
678910111
2131415161718192021 2223
Intelligent Program AE Line
With EF 50mm f/1.4 USM
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							1/3-stop Increments Half-stop Increments Full-stop Increments
Shutter speed Aperture Shutter speed Aperture Shutter speed Aperture
4. Shutter Speed and Aperture Readouts
● Shutter speed readoutThe shutter speed is normally displayed in 1/3-stop increments. Numbers \
from “4” to
“8000” denote the denominator of the shutter speed fraction. For e\
xample, “125” is 1/125
sec. Also, 0”3 is 0.3 sec., and 15” is 15 sec.
●Aperture readoutThe aperture is normally displayed in 1/3-stop increments. The larger th\
e number, the
smaller the aperture opening. The range of aperture numbers (f-numbers)\
 displayed
depends on the lens used.
132
Custom Function CF-6 enables the shutter speed and aperture to be set in\
 full-stop
or half-stop increments. See page 112.CF
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							5. Interchanging the Focusing Screen
The camera’s focusing screen can be interchanged to suit the picture-\
taking application. You must also set Custom Function CF-0 so that the
standard exposure standard suits the focusing screen.Open the side door and press the
 button.
•The Custom Function No. appears.
Turn the < > dial until “ ”
appears.
Press the < > button for 2
seconds. Either “ ” or “ ” will be
displayed on the LCD panel.
Pressing the < > button toggles
between and .
133
Press the shutter button halfway.
The LCD panel’s normal display
reappears.
Focusing Screen Type Screen Designation Custom Function CF-0 Setting
: New Laser-matte Screen Ec-N, Ec-R 0
: Laser-matte Screen Ec type (A, B, C, CII, D, H, I, L) 1
L
N
1
2
3
4
•
If you do not replace the focusing screen that came with the camera, you\
 need
not change Custom Function CF-0’s setting.
• To change the focusing screen, refer to the Instructions that comes with\
 the
focusing screen.
• The Ec-A, Ec-B, Ec-I, and Ec-L focusing screens has a prism at the cente\
r. This
prism cannot obtain standard exposure readings during evaluative and spo\
t
metering. Use centerweighted averaging metering or off-center spot meter\
ing
instead.
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							Ec-A: Standard microprismCompatible 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
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							6. Major Accessories
●Camera Case EH-11L and EH-11LL
Dedicated case which can accommodate the
camera attached with a lens.
● Power Drive Booster PB-E2
Together with the Ni-MH Pack NP-E2, Power
Drive Booster PB-E2 enables a top continuous
shooting speed of about 7 frames per second.
The vertical grip has its own shutter button,
Main Dial, AE lock button, FE lock button, and
focusing point selector. It makes vertical shots
as easy as horizontal shots. With Battery
Magazine BM-E2, this Booster becomes
compatible with the EOS-1N and EOS-1.
●Power Drive Booster E1
Although this was developed for the EOS-1N
and EOS-1, it can also be used with the EOS-
3. The maximum continuous shooting speed is
about 6 frames per second. It has a vertical-
grip shutter button and AE lock button.
135
●
Battery Pack BP-E1
The grip portion houses a 2CR5 lithium battery
while the battery magazine holds four widely-
available size-AA alkaline batteries. You can
switch between these two power sources to
suit the shooting condition. The continuous
shooting speed is the same as a plain EOS-3.
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							Major Accessories
●Ni-MH Pack NP-E2
Powerful battery pack dedicated to Power
Drive Booster PB-E2. The rated voltage is 12
V. It can be recharged over 500 times. When
fully charged, it has enough power for 70 rolls
of 36-exposure film at 20˚C.
* Power Drive Booster PB-E2 installed with
this Pack cannot be used with the EOS-1N
and EOS-1.
●Ni-MH Charger NC-E2
This dedicated charger quickly recharges the
Ni-MH Pack NP-E2, taking about 100 minutes
for one Pack. It also prevent excess
recharging. Two Packs can be attached at one
time. The discharge feature (taking about 8.5
hours) cancels the NP-E2 memory effect. It
runs on 100 - 240 VAC.
●Battery Magazine BM-E2
Dedicated to and provided with Power Drive
Booster PB-E2. It holds eight size-AA alkaline,
Ni-Cd, or lithium batteries.
136
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							Major Accessories
●EX-series Speedlites
These EOS-dedicated Speedlites are available
as large-output, autozoom models or compact
flash units. All EX-series Speedlites feature E-
TTL autoflash, high-speed sync (FP flash), and
FE lock.
● Speedlite Transmitter ST-E2
This is the controller for a wireless, multi-flash
E-TTL autoflash system. It can control up to
two Speedlite 550EX groups set as slaves. The
wireless transmitter range is about 12 to 15
meters indoors and 8 to 10 meters outdoors.
137
●
Off-Camera Shoe Cord 2
This cord enables the 550EX to be connected
off-camera up to 60 cm away. All of the
Speedlite’s controls and features can be used
as usual. The Cord can be used with all EX-
series, EZ-series, and E-series Canon
Speedlites.
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							Major Accessories
●Date Back DB-E2
This is an interchangeable, EOS-3-dedicated
camera back equipped with a Quick Control
Dial and date imprinting feature. The date up to
the year 2019 can be imprinted on the
photograph. The following imprinting modes
(displayed on LCD) are provided: Year, month,
day; Day, hour, minute; Blank; Month, day,
year; and Day, month, year.
●Ed-Series Dioptric Adjustment
Lenses
The EOS-3’s viewfinder is set to -1 diopter. If
necessary, one of ten Ed-series dioptric
adjustment lenses (–4 to +3 diopters) with
eyecup can be attached. Eye Control can also
be used while a dioptric adjustment lens is
attached.
● Timer Remote Controller TC-80N3
This is a remote switch with an 80-cm cord and
self-timer, interval timer, long-exposure timer,
and other features. The time setting can be set
anywhere from 1 sec. to 99 hours, 59 min., 59
sec. Its connection plug for the EOS-3 has a
quick-lock feature.
138 ●
Remote Switch RS-80N3
Remote switch with an 80-cm cord to prevent
camera shake for super telephoto shots,
macrophotography, and bulb exposures. The
remote switch can give the same effect as
pressing the shutter button halfway or
completely. It also has a shutter release lock.
Its quick-lock plug connects to the EOS-3’s
remote control socket.
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							Major Accessories
●Extension Cord ET-1000N3
Ten-meter extension cord for connecting the
Timer Remote Controller TC-80N3 or Remote
Switch RS-80N3 to the EOS-3. For remote
picture-taking situations.
●Wireless Controller LC-4
Wireless controller effective up to 100 meters.
It comes with a transmitter and receiver. The
receiver’s camera connection plug connects to
the EOS-3’s three-pin remote control socket
with quick-lock feature. It has the same
wireless controller features as the LC-3.
●Remote Switch Adapter RA-N3
This plug adapter enables old Remote
Switches (60T3, etc.) having a threaded, 3-pin
plug to be connected to the EOS-3’s new
remote control socket.
139
• The EOS-3’s three-pin remote control socket is new with a quick-lock \
feature. It is
compatible with the new Remote Switch RS-80N3, Timer Remote Controller T\
C-
80N3, and Wireless Controller LC-4 receiver. When a plug is connected, i\
t locks
automatically.
• The EOS-3’s three-pin remote control socket is not directly comp\
atible with old- model accessories such as Remote Switch 60T3. Remote Switch Adapter RA-N\
3
will be required to connect such accessories.
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							Major Specifications
140
■ Type
Type: 35mm AF/AE single-lens reflex with focal-plane shutter and
built-in motor drive.
Picture size: 24 mm  ×36 mm
Compatible lenses: Canon EF lenses
Lens mount: Canon EF mount
■  Viewfinder
Type: Eye-level pentaprism
Picture coverage: 97 percent vertically and horizontally
Magnification: 0.72x (–1 diopter with 50mm lens at infinity)
Standard diopter: –1 diopter. (19.5mm eye relief)
Focusing screen: Interchangeable (9 types), Standard focusing screen: Ec-N.
Mirror: Quick-return half mirror (Transmission:reflection ratio of
37:63). No vignetting with EF 1200mm f/5.6 lens or a shorter
lens.
Viewfinder information: (1) On  the screen: Area AF ellipse, center spot metering
circle
(2) Below the screen: Shutter speed, aperture,  (blinks at 2 Hz during AE lock and AEB),  (lights when Eye
Control is enabled or blinks when Eye Control fails), 
(lights during flash-ready and blinks during unsuitable FE
lock),  (lights during high sync speed),  (exposure
compensation and flash exposure compensation),  ●(in-
focus indicator (Light when focus is achieved and blinks
at 8 Hz if AF fails)
(3) Right of screen: Exposure level scale (±3 stops in ±1/3- stop increments), exposure level indicator ( 1AE mode
and exposure compensation amount,  2AE lock and
real-time metering indicator,  3Manual exposure level,  4
AEB amount,  5Background exposure with flash), flash
exposure level ( 1Flash exposure compensation amount,
1 Reverse highlight with FE lock,  1FEB amount), Multi-
spot metering, frame counter.
Depth-of-field Preview: Enabled with depth-of-field preview button
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