PICTORIAL OUTLINE FOR USING THE CAMERA
Load the battery.
Turn the main switch on.
Look into the viewfinder.
Compose the picture and focus.
Load the film.
Determineothe exposure by adjusting the shutter speed dial and the aperture ring.
Out of Focus |
In Focus |
Congratulations upon the purchase of your new Canon AT-1, a remarkably advanced camera that reflects the latest trends in SLR photography. As a flawless product of Canon technology, its vast potential as a rewarding means of expression is assured for years to come by an incomparable system of fine lenses and accessories.
At an extremely reasonable price, the Canon AT-1 offers you TTL Central Emphasis Metering plus many of the superb advantages enjoyed by users of its all-electronic counterpart, the Canon AE-1. Its fabulous electronic system consisting of the Power Winder A for continuous rapid-fire shooting, the Speedlite 155A for perfectly synchro nized flash shooting and the Data Back A for automatic data imprinting give the AT-1 unsurpassably versatile per formance. Similarly, you have the entire system of superior FD inter
changeable lenses at your disposal which enable metering at full aperture. But perhaps most conspicuous is the absence of mechanical noise that is characteristic of conventional SLRs. The AT-1 incorporates a wonderfully silent electromagnetic release, in addition to a 10-second electronic selftimer, for perfectly vibrationless operation. Moreover, you will surely find the Canon AT-1, with its extremely compact and lightweight body to be one of the easiest to operate cameras ever.
In order to derive full benefit from the many features the AT-1 affords, please take the time to read and understand the following instructions. Canon remains always ready to lend you its support in the future with a system of lenses and accessories unequaled the world over.
Distance Scale (in feet and meters) Focusing Ring
Aperture Ring |
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Canon Breech-Lock Ring |
Distance Index |
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Stopped-Down Lever |
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Flash Terminal |
Depth-of-Field Scale |
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EE Lock Pin |
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"A" Mark |
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Battery Chamber Cover |
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Finger Grip |
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Film Speed |
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Set Ring |
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ASA Film |
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Speed |
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Shutter Speed |
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Dial |
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----- Film Advance Lever |
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Shutter Release Button |
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Film Rewind Crank |
Electronic Self-Timer Lever |
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(Shutter Release Lock) |
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Main Switch (Battery Check Lever) |
Accessory Shoe |
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Fil.m Plane Indicator |
Automatic Flash Contact |
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Synchronization Contact |
While reading the instruction booklet, unfold this flap and the flap on the back cover to facilitate your understanding of the instructions.
7 Press the shutter button.
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Photography with the Canon Speedlite
155A
1.Take off the battery chamber cover and load the batteries.
2.Set the ASA film speed of the 155A.
3.Mount the Speedlite 155A on the acces sory shoe of the camera.
4.Turn the main switch on.
5.Set the AUTO/MANU. switch.
6.Set the prescribed f/stop on the lens.
7.Focus and press the shutter button.
Photography with the Canon Power Winder A
1. Remove the Battery Pack A.
2. Load the batteries into the Battery Pack A.
3.Attach the Battery Pack A to the Power Winder A.
4.Take off the winder coupler cover on the bottom of the camera body and put it in the winder coupler's cover holder.
5.Attach the Power Winder A to the
camera.
6. Turn the main switch on.
7.Focus and press the shutter button.
CONTENTS |
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SPECIFICATIONS............................................ |
8-10 |
Handling the Case and Lens Cap . . . |
. 12-13 |
Mounting the Lens............................................ |
13 |
Loading the Battery and Main Switch |
. .14-15 |
Checking the Battery........................................ |
16 |
Film Advance and Shutter Release ... |
17-18 |
Loading the Film......................................... |
19-20 |
Frame Counter.................................................. |
21 |
Setting the ASA............................................ |
22-23 |
OPERATION FOR GENERAL |
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PHOTOGRAPHY................................................ |
25 |
Selecting the Shutter Speed ....................... |
27-28 |
Lens Aperture................................................... |
28 |
Viewing and Focusing...................................... |
29 |
Dioptric Adjustment Lenses............................ |
30 |
Viewfinder Information..................................... |
32 |
Determining the Exposure............................... |
33 |
Meter Coupling Range...................................... |
35 |
Holding the Camera ......................................... |
37 |
Releasing the Shutter and |
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Rewinding the Film ..................................... |
38-39 |
DETAILED OPERATION OF |
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THE AT-1 .......................................................... |
41 |
Effects of Changing the Shutter Speed |
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and the Aperture .......................................... |
43-44 |
Depth-of-Field............................................... |
45-46 |
Using the Self-Timer.................................... |
47-48 |
Flash Photography with the AT-1 ................... |
49 |
Long Exposures................................................ |
50 |
Stopped-Down Metering.................................... |
52 |
Manual Aperture Control............................ |
53-54 |
Lenses.......................................................... |
55-58 |
ACCESSORIES, CARE OF THE |
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CAMERA, MAINTENANCE, AND |
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MISCELLANEA ................................................. |
59 |
Canon Speedlite 155A...................................... |
61 |
Canon Power Winder A.................................... |
62 |
Canon Data Back A and Bellows FL . . . . |
63 |
Other Accessories........................................ |
64-65 |
Care and Storage of the Camera.............. |
67-69 |
SPECIFICATIONS
Type; 35mm SLR (Single-Lens-Reflex) Camera with focal plane shutter.
Picture Size: 24 x 36mm Interchangeable lenses: Canon FD series
lenses for full aperture metering. Canon FL series lenses for stopped-down metering.
Standard Lenses: Canon FD 55mm f/1.2 S.S.C.
Canon FD 50mm f/1.4 S.S.C.
Canon FD 50mm f/1.8 S.C.
Lens Mqunt: Canon Breech-Lock Mount. Canon FD, FL, and R lenses can be mounted for use.
Viewfinder: Fixed eye-level pentaprism.
Field of View: 93.5% vertical and 96.3% horizontal coverage of the actual picture area.
Magnification: 1:0.82 at infinity with a standard 50mm lens.
Dioptric Adjustment Lens S: Standard —1 diopter.
Interchangeable with -t3, +2, -1-1.5, -i-1,
-(■0.5, 0, —0.5, —2, —3, and —4 diopters.
Focusing Screen: |
Split-image/microprism |
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rangefinder surrounded by |
matte screen |
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Viewfinder Information: Meter |
needle |
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aperture needle |
(circular index) are |
seen |
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on the right hand side of the viewfinder. On the upper right hand is an overexposure/battery check index mark and on the lower right hand is a metering limit index mark on the underexposure side.
Viewfinder Attachments: Angle Finder A2 and B, Magnifier S, Dioptric Adjustment Lens S (10 kinds), and Eyecup 4S.
Mirror: Instant-return, large reflector mirror with shock absorbing mechanism.
Exposure Meter: Built-in. Using CdS photo cell. Coupled to shutter speeds, film speeds, and f/stops. Match needle type, TTL full aperture metering mechanism.
Light Metering System: TTL (Through-The- Lens) Central Emphasis Metering method Exposure Meter Coupling Range: EV 3 (f/1.4 at 1/4 sec.) to EV 17 (f/16 at 1/500
sec.) at ASA 100 film with FD 50mm f/1.4 S.S.C. Lens.
Film Speed Range: ASA 25 to ASA 3200
Shutter: Cloth focal plane shutter with four
spindles. Shock |
and |
noise damping |
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mechanisms are incorporated. All shutter |
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speeds are electronically controlled. |
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Shutter Speeds: 1/1000, |
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1/500, |
1/250, |
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1/125, |
1/60, |
1/30, |
1/15, |
1/8, |
1/4, |
1/2, |
1, |
2 (seconds) and B.
X synchronization is at 1/60 seconds. Shutter Speed Dial: The shutter speed dial is
on the same axis as the film advance lever. The number 2 for two seconds is marked in orange; other numbers as well as X synchronization are in white. There is a shutter dial guard to prevent uninten tional movement of the dial. The ASA dial is located underneath the shutter speed dial.
Self-Timer: Electronically controlled selftimer. After the self-timer lever is pushed forward, the self-timer is activated by the shutter release button. The self-timer releases the shutter after a time lag of 10 seconds. A self-timer LED lamp blinks on and off when the self-timer is in operation. The self-timer operation can be cancelled while in operation.
Stopping-Down the Lens: Stopping-down the lens can be performed by pushing the stopped-down lever after setting the aperture ring.
Power Source: One 6V silver oxide battery; Eveready No. 544, UCAR No.544, JIS 4G13, and Mallory PX28. The battery lasts the equivalent of 20,000 shutter releases, or one year under normal use.
Battery Check: Battery power level can be checked by the meter needle inside the viewfinder -when the main switch is turned to the battery check index mark "C".
Flash Synchronization: |
X synchronization |
is at 1/60 sec. M |
synchronization is at |
1 /30 sec. and below. |
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Flash Terminal: The accessory shoe has a direct flash contact and automatic flash control contact. On the front of the camera body is the flash terminal, JIS-B type for flash units with a cord. It has a built-in protective rim to prevent elect rical shock.
Automatic Flash: With the Canon Speedlite 1 55A, set the aperture to the prescribed
f/stop, and the amount of light is auto matically controlled for correct flash exposure, adjusting the shutter speed to 1/60 of a second automatically.
Back Cover: The camera's back cover has a memo holder for your convenience. The cover can be removed for attaching the Canon Data Back A.
Film Loading: Performed by pulling up the rewind crank to open the back cover. Easy film loading with multi-slot take-up spool.
Film Advance Lever: Single stroke with 120° throw and 30°stand-off. The film can be wound with several short strokes. The Canon Power Winder A can be mounted for automatic winding of the film.
Frame Counter: Additive type. Automatical ly resets when the back cover is opened. While rewinding film, it counts back the frame numbers.
Film Rewinding: Performed by pressing the rewind button on the bottom and by us ing the rewing crank on the top. The rewind button is automatically reset when the film is advanced with the film
1 0
advance lever.
Size: 141 X 87X47.5mm (5-9/16"x -3-7/16" X 1-7/8") body only.
Weight: 590g (20-13/16 ozs.) body only. 790g (27-7/8 ozs.) with the 50mm f/1.8 S.C. lens.
895g (31-9/16 ozs.) with the 50mm f/1.4 S.S.C. lens.
1,100g (38-13/16 ozs.) with the 55mm f/1.2 S.S.C. lens.
Subject to change without notice.
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PRELIMINARY PREPARATION
Neckstrap and Case
Slide the scratch prevention ring and spare battery case which houses a spare battery onto the Canon AT-1 's neckstrap, then thread the neckstrap through the rings. Adjust the neckstrap to a length most suitable for you.
Firmly attach the case to the camera by turning the screw on the bottom of the case. When you wish to take off the top cover of the soft case, turn the top cover to the bottom then slide it straight up in the direc tion of the arrow and pull it out as indicated in the photo.
Handling the Lens Cap
The lens cap can be removed from the front of the lens after pressing in the tabs on both sides of the cap. The rear dust cover can be removed by turning the Canon BreechLock ring in the direction of the arrow. To attach the dust cover, align its slot with the positioning pin below the red dot of the Breech-Lock ring, and press it in. When the dust cover is removed, the Breech-Lock ring is locked.
Mounting the Lens
Remove the body cap. Make sure that the aperture ring is not set to the "A" mark before mounting the lens. Release the aperture ring from the "A" mark by pushing the EE lock pin and turn the ring. Then, mount the lens by aligning the red dot of the body with the red dot of the bayonet ring, and then turning the Breech-Lock ring clock wise, pressing gently until it locks into position. Reverse the procedure to dismount the lens.
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13
Loading the Battery
The camera will function only when the battery is loaded and the main switch is turn ed on. Use a silver oxide battery for the power source. The battery chamber cover can be opened more easily by using the viewfinder cover that is inserted into the accessory shoe.
Be careful to load the battery correctly with the "+" side up following the diagram on the inside of the battery chamber. If the bat tery is incorrectly loaded so the polarities are facing the wrong direction, the camera will not function. Load the battery by inserting the " contact first while holding down the battery in the bottom of the battery chamber. When loading or removing the battery, make certain that the main switch is set at OFF.
■ Only a silver oxide battery can be used and other types cannot be used. In general use, the battery will last one year. Safety circuitry is built in the camera to keep the shutter from being released when the voltage of the battery becomes insufficient.
Main Switch
The main switch turns on or off the elect ric circuits of the camera. Therefore, when taking photographs, set the main switch to the "ON" position. The camera will not function unless it is set to "ON".
■ When not in use, turn the main switch to "OFF" to guard against needless consumption of the battery.
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Usable Batteries |
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I Silver Oxide |
Eveready(UCAR) No.544 |
Battervi 6V) |
JIS 4G13, Mallory PX28 |
15
Checking the Battery
If there is not sufficient voltage, the camera will not function, so check the battery as indicated below. The main switch is also used when checking the battery. Turn the main switch/battery check lever as far to the left as possible or, in other words, to the "C" index on the outer side of the film rewind crank while looking into the viewfinder to see if the power level is sufficient. If the meter needle rests above the battery check index mark, there is sufficient voltage. If it is below the index mark, replace the battery as there is not enough voltage left in the battery for the camera to operate.
Perform a battery check in the follow ing situations:
1.When a battery is loaded.
2.If the shutter does not function.
3.When a great number of photographs have been taken.
4.When the camera is used after it has been stored for a long period without use.
5.When the camera is used in extremely cold conditions.
Film Advance and Shutter Release
Turn the film advance lever until it stops, so the film will advance one frame all in one motion. The shutter will cock, and the dia phragm and mirror will be ready for the next shutter release, while the frame couriter advances simultaneously to the next number. By pushing the film advance lever lightly with the tip of your thumb, it will open to its 30° stand-off position away from the camera body for easy film advance.
While the film is advancing, the shutter will not be released. Film winding can also be accomplished by advancing the lever in short strokes.
Canon has developed the Power Winder A
to be used with the AT-1 for automatic |
film |
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winding. It greatly increases the speed |
and |
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mobility of the AT-1. |
(See page 62.) |
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