Modern Classic SLR Series
Canon EOS-1 - Instruction Manual - Part V

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Clearing Preset Exposures

1. Before Shooting. Follow steps 1 and 2 above and turn the main dial to return the frame counter to "1". 2. During Shooting. Follow the same procedures as above and turn the main dial until the frame counter is blank.

Note: Be sure to set exposure compensation depending on the number of exposures for best results.


Number of exposures

Exposure Compensation Setting







Other relating Information

Q. Custom Functions Control

This versatile control lets you program eight functions to your individual preference.


1) Open the palm door and press the custom function set button marked "CF". The control number "F-1" and "0" appear in the display panel.
2) Turn the main dial in either direction to set the desired control number.
3) Press the custom function set button again to finish. "0" turns to "1 " indicating that the function is set.


Note: To resume operation, press the shutter button halfway.
To cancel a function, repeat the above steps. "1" returns to "0" and the normal function is activated.
To cancel all functions at once, open the palm door and press the CF button. A function number will appear. Press the white button marked "CLEAR". All function will return to the normal function.
meinpudial.jpg lcdcustom2.gif
To check which functions have been set, press the CF button and turn the electronic input dial, "1" appears if the function is set. It is advisable to refer complete explanation of other operations affected by the "CLEAR" button.

Custom Function Control Chart



1 (User Selected Operation)

0 (Normal Operation)


No. 1

Film rewind cancellation Cancels automatic film rewind operation Film rewind starts automatically at end of roll 1: "symbolrewind.gif" lights up and bar marks blink in the LCD panel at the end of the roll, and when the shutter button is pressed halfway, "" of the remaining frame counter blinks in the viewfinder.

No. 2

Film Leader Out Leaves the film leader outside the cartridge. Film leader completely rewound into cartridge. 1: When the back cover is opened, the shutter speed is fixed at 1/8300 sec.

No. 3

Film Speed Set Allows manual film speed setting of DX-coded film. Film speed set by camera according to DX-code. 1: When a film is loaded, the previously set film speed remains until the film speed is set manually.

No. 4

Autofocus Starts Initiates autofocus by pressing AE lock button, suitable for focus lock function.* Autofocus starts when shutter button is pressed halfway. 1: Only the AE lock is operated when the shutter button is pressed halfway.

No. 5

Manual Exposure

Shutter Speed Set by Main Dial a) Set by quick control dial.
b) Set by main dial pressing the exposure compensation button
0 and 1: When the quick control dial switch is set to 1 - a) O and/or when the Command Back E1 is attached - b)
Aperture Value a) Set by quick control dial.
b) Set by main dial pressing the exposure compensation button.
Set by Main Dial

No. 6

Shutter Speed and Aperture Set In 1 Stop increment In 1/3 Stop increments  

No. 7

Manual Focus Operation Manual focus adjustment possible by setting focus mode switch with USM lenses. Allows manual focus adjustment after autofocus with USM lenses, without prior setting.  

No. 8

Evaluative Metering Shifts Center-weighted average metering Evaluative metering shift  

Shooting with Infrared Film When using black and white infrared film, make a slight adjustment in focus with the red infrared index.

infra1.jpg infra2.jpg
For example, focus the subject first, then, if the lens is focused at 5m on the distance scale, turn the manual focusing ring to align the 5m mark with the red dot and release the shutter. For zoom lenses, use the small red lines to align with the number as shown.

R. Dedicated Flash Photography

(1) Use the Canon Speedlites 430EZ and 300EZ for fill-in flash in outdoor settings as well as for normal flash when shooting at night or in a dimly-lit room. These units feature a built-in AF auxiliary light function for dark situations. Note: When the AF mode is set to AI servo, the AF auxiliary light does not emit.
After flash charge completion in the Program AE mode, the aperture and the X-sync shutter speed are automatically set. the X-sync shutter speed is set between 1/60 and 1/250 sec. Please refer to the Speedlite's instruction book for further details.
(2) Other Canon Speedlites: Follow the steps below for automatic flash photography:

Selective Canon TTL Flash Models:- 300EZ | 300TL | 420EZ | 430 EZ | 480EG | 540EZ | other non-TTL Canon flash models

1 ) Set the camera's shooting mode to "M".
2) Set the desired X-sync shutter speed between 30 sec. and 1/250 sec.
Note: If the shutter speed is set faster than 1/250 see, it is automatically reset to 1/250 sec.
3) Set the aperture on the flash.
4) Set the same flash aperture on the camera.
1) When using the 300TL, set the flash mode set button to A-TTL or FEL for TTL automatic flash photography.

2) Do not use the 277T and 299T in the "PROGRAM" mode. Be sure to set the flash to "F. NO. SET" mode.
3) The 244T
cannot be used.

(3) Other Manufacturer's Flashes
The X-sync speed can be set to 1/250 or slower.

Note: 1) With a large, studio-type flash, be sure to confirm correct synchronization before use as flash duration may vary. When using flash with a synchronization cord, attach its connecting plug to the camera's PC terminal.
2) The PC terminal only has an X-sync contact. The X-sync shutter speed can be set to 1/250 sec. or slower.

3) When using studio flash units or when using wireless synchro devices, perform a film test to verify the maximum usable sync speed with your equipment.
4) Direct contacts and the PC terminal can be used simultaneously.
5) Use a Canon Speedlite with the EOS-1. Using a flash (usually with more than two contacts) or flash accessory of another manufacturer may cause malfunction or damage.


Other Information

Lithium Battery The camera requires one, 6-volt lithium battery (2CR5). Always check the battery at the following times:

1. When loading a new battery
2. Before an important shooting task
3. If the shutter will not release
4. In cold weather
5. After prolonged storage

Battery Use Information:

1. Wipe the battery terminals and the camera contacts with a clean, dry cloth before loading to ensure proper contact.
2. Remove the battery if you do not expect to use the camera for more than three weeks.
3. Battery performance deteriorates slightly in temperatures below 32,°F/0°C. Keep the camera and especially a spare battery close to your body or in an inside pocket to keep them warm until use.
4. Battery may explode or cause burns if disassembled, recharged, shorted, or exposed to high temperature or disposed in fire. Be sure to observe all precaution indicated on the battery package. Always keep it out nf the reach of children.
5. If one blinking bar or no bar mark appears in the display panel during battery check, exposure will be correct as long as the shutter releases. Automatic advance and rewind will be impaired by insufficient battery power. If film wind or rewind stops due to the battery, the film transport bars will blink. Film transport operations will resume after a new battery is installed and the film rewind button pressed.

Liquid Crystal Display (

The display panel uses liquid crystal to indicate exposure information. After about five years, the display may become difficult to read. If this occurs, have it replaced at an authorized Canon service facility. Replacement is at the owner's expense.

Liquid crystal may also respond relatively slow in temperatures below 32°F/0°C, or become dark in temperatures around 140°F/60°C. The display panel will return when the temperature returns to normal.

Blinking "symbol_bc.gif" Display -
Power Condition Indicator

There are two conditions when the blinking "" in the display panel will appear:

1) If the battery is nearly exhausted, the blinking "" display will appear when the shutter button is pressed halfway or when the battery check button behind the palm door is pressed.
2) If the battery is still good according to the battery check button, but the camera's self testing process detects an internal malfunction, the blinking "" will appear when the shutter button is pressed halfway.
* In this case, try removing the battery completely, reinserting it and then pressing the battery check button.

If the blinking "" still appears, the camera needs to be examined by an authorized Canon service facility.

Battery Shooting Capacity/Power Efficiency

Based on a new 2CR5 lithium battery using the EF 50 mm V1.8 and 24-exp. film.



Normal (20°C/68°F)

75 rolls

Low ( - 20°C/ - 4°F)

12 rolls

Test Condition

Battery is checked after each roll is shot and rewound.

Test interval

20 seconds at normal temperature and 3 minutes at low temperature

Test method:

Shutter is released just after the 6-second metering timer function stops after autofocus, followed by 2-second timer function.

Normal temperature:

Repetition of 36 continuous exposures

Low temperature:

Repetition of 5 continuous exposures at 20 sec. intervals

User's Maintenance Guide: As with any precision instrument, proper care involves a few guidelines and good common sense. Observing them will keep your camera in top condition at all times. We recommend cleaning your camera periodically.

Cleaning tools: blower brush, lens cleaning fluid lens cleaning tissue, silicone-treated cloth.

1 ) To clean the lens surface and the viewfinder eyepiece: Blow off dust with a blower brush and gently wipe the lens surface with a lens cleaning tissue slightly moistened with lens cleaner. Clean in a spiral motion from the center outwards.
2) To clean the reflecting mirror and focusing screen: Use only a blower brush reserved for this use only. If more cleaning is necessary, NEVER attempt to do it yourself, take it to an authorized Canon service facility.
3) To clean the film chamber: Use a blower brush to occasionally remove accumulated film dust particles that might scratch the film.
4) To clean the film pressure plate and the film guide rails: Lightly wipe the surface with a lens cleaning tissue moistened with lens cleaning fluid.

Canon Speedlite 430 EZ

Designed with advanced features that complement the EOS-1, (at ISO 100, this flash boasts a powerful guide no. of 141-ft/43-meters). An external battery pack can be attached when the shooting situation calls. The 430 EZ utilizes ATTL output and has a 1/250 sec. sync. speed for a wide variety of photos and fill-in flash. Lastly, built-in exposure compensation function gives you more control than ever.

Interchangeable Focusing Screens

Focusing Screen Ec Seven interchangeable focusing screens are available to suit various applications. Each comes with a special tool for simple installation.

Canon Power Drive Booster E1

This motor drive unit increases the maximum film winding speed to 5.5 frames per second with power supplied by eight, AA-size batteries. It is designed for improved operability with features such as a separate shutter button and AE lock button for easy vertical shooting. An adjustable padded hand strap (optionally available) assures a secure grip on the camera.
NOTE: There are actually two versions of the Power Drive Booster E1. The new version is also using the same name but without the Mark II designation. It can be identified with an * mark on the vertical AE Lock button. The new version is basically the same as the first but had its circuitry modified to accept AA-size lithium batteries and is meant for use with the EOS-1N model.
Canon E1 Booster front Canon E1 Booster Rearview
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Command Back E1

This interchangeable back is exclusively for the EOS-1 and provides control for different types of timed photography. It also prints the date or time, a 6-digit arbitrary code, frame counter number, and the letters A through F.

Dioptric Adjustment Lenses These lenses provide more adjustment if the built-in -1 / + 2 apt. range is insufficient. There are 10 correction lenses available. Be sure to conduct a trial test for the best match to your eyeglass prescription.

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