The Canon EOS-1N is the successor to the EOS-1, and the new flagship of Canon's 1994 line of film cameras. Five phase-detection autofocus sensors, an updated metering sensor and other goodies.

Canon EOS-1N. General

Camera goes well с supertelelensE, with built-in USM (ultrasonic motor) for silent and fast work. exposure can be compensated в 1/2-foot or с in 1/3-stop increments for higher accuracy. EOS-1N highly regarded professional photographers, first of all, due to the tenacious shutter (100000 cycles). Also in this model, a couple of baubles were added to reduce noise during the operation of the mechanisms. It was shipped at a cost of 215 yen (body), and 230 yen with a BP-E1 battery grip.

EOS SLR camera, which includes both digital and film cameras since 1987. The camera is not only suitable for modern optics with bayonetohm EF, but also the optics of the USSR period through adapter Canon EF - M42. Read the article about adapters.

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Camera Specifications

Camera type
35mm camera with focal point gateohm and multi-mode autofocus
Lenses
EF 50mm f / 1.4, others (with bayonetohm EF, or through adapter from other systems)
Mount lens
bayonet EF
Autofocus system
TTL, phase. Autofocus modes: One-Shot AF and Intelligent AI Servo AF. Cross-type sensors. Five focus points are selected automatically, or manually by the selector. Autofocus working range at ISO 100: EV 0 - 18.
Metering range with spot metering at ISO 100 and f / 1.4:
EV 3 - 20.
Film sensitivity range:
from 6 to ISO 6400
Shutter
Vertical travel, focal, electronically controlled with metal shutters. Exposure range from 30 sec. up to 1/8000 second, B. X-sync flash at 1/250 sec. (hot shoe with interlock). Shutter speed can be set in 1/3-stop increments. Built-in electronic self-timer (with countdown indicator on external LCD).
Viewfinder
Fixed pentaprism at eye level. 0.72x magnification and almost 100% coverage of the true field of the frame. Focusing screen with laser matting. Eight interchangeable focusing screens are available. Built-in optical correction from -3 to +1 diopters.
External display
Setting up additional functions, autobracketing, Intelligent program AE, priority shutter, aperture priority, film presence indicator, multiple exposure settings and timer, film sensitivity, autofocus modes, and more.
Source of power
One 6 V 2CR5 battery
Loading Film
Open the compartment with the film, set the spool according to the marks (automatically rewinding will be done to the first frame). Burst speed up to 6 fps (One-Shot AF / manual).
Film rewind
Fully automatic film feed with a built-in drive, it is possible to rewind an incompletely exposed film roll, normal and silent winding.
Dimensions and weight
161x112x72 mm, 855 g

Canon EOS SLR on the portal

  1. Canon EOS-1N
  2. Canon EOS Kiss (500)
  3. Canon EOS New Kiss (500N)
  4. Canon EOS Kiss III (300)
  5. Canon EOS1000QD (1000F)
  6. Canon EOS 620
  7. Canon EOS 10QD (10S)

Canon EOS-1N. In work

Management

One of the important elements was the update of the shutter button shutter... It is a soft-travel, two-position button that brings a technique to life with just the touch of it. When pressed halfway, the autofocus and exposure metering system is activated. The button is pressed so softly that your fingers do not get tired even after prolonged use of the device. The button travel could be adjusted in the Canon SC at the expense of the owner.

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For operational control of the camera, the Canon EOS-1 introduced a mode dial, which is located on the back of the device under the thumb. With this dial, we can set the aperture values, as well as select the focus points of the camera. Activated while the shutter button is pressed halfway shutter.

The Canon EOS-1N's curved power lever is located next to the dial. The back cover is interchangeable; instead, you can install a cover that will imprint the date on the exposed film frame. The panels were manufactured not only by Canon itself, but also by Polaroid. Such joy cost $ 825. The viewfinder of the device had a removable eyecup, and a lever that covered the viewfinder from the inside (gate eyepiece), in order to avoid excess light from the outside during shooting. There is also a diopter adjustment wheel for the viewfinder image under the eyecup.

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The exposure lock button is now on the upper right side of the body, and can also be pressed with your thumb. This function can be used with any metering mode on the Canon EOS-1N. When AE is locked, an asterisk (*) is lit in the viewfinder. AE lock is canceled after 6 sec. after pressing the shutter button shutter... AE lock is needed, for example, in situations where you need to quickly react to external factors. This solution is simpler than manual "exposure compensation", which requires more experience. Focus point selection is made possible by pressing the button next to the AE lock button, and during selection, the mode is displayed on the external display (point selection can also be made with the command dial).

The choice of the shooting mode and additional camera parameters is now performed by a combination of buttons on the upper left of the camera body, and when selected, the display of the mode in the viewfinder and on the LCD screen changes.

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Display

The camera LCD itself is a dot matrix display that displays all possible camera modes. The display shows:

  • Shooting mode
  • Diaphragm
  • AF point selection
  • Exposure
  • ISO
  • Measurement
  • AF mode (One Shot, AI Servo)
  • Burst Mode
  • Battery charge level

Flash

The hot shoe for connecting the flash is on top, and the number and function of electrical contacts are the same for all EOS cameras. The Canon EOS-1N also uses the OTF (On the Film) system, which exposure metering by pre-flash, and reflection from the emulsion of photographic film. OTF TTL The 1n only works with Canon Speedlites.

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For older flashes, a special terminal is provided, which is closed with a cap on the left panel of the camera.

Some of the buttons have been removed from the camera body under a special cover, thanks to which the camera looks not too complicated to operate. Custom functions are configured just by the buttons under this cover. The device has a remote control via a wired remote control, the corresponding connector is located on the body.

Optical path

Viewfinder

Five focus points at center, spot metering (from 2,3% at center of frame), speed shutter и diaphragm (digital display in 1 / 2- or 1/3-stop increments depending on user settings), AE lock, manual, flash ready, exposure compensation, exposure scale, exposure level display (dots, divisions), remaining frames counter, others ...

A mask for the focus points is applied to a special screen, this makes it possible to get the highlights of the points directly, and not from the reflection from the main mirror, as in the EOS-1 and 5 models.

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The viewfinder magnification is 0.72x with the 50mm lens set to infinity. The viewfinder magnification was about the same as in the previous model (a slight 0.01X magnification). The diopter adjustment knob is located under the eyecup, which eliminates the failure of settings due to external influence on the trimmer. The correction range is from -3 to +1 diopters. In case of lack of diopter correction range, it was possible to purchase separate lenses for installation. which increased the range to -6 and +5, respectively. A built-in optical diopter adjustment mechanism adjusts the viewfinder image by moving the convex eyepiece lens back and forth (3,5 mm maximum). Due to the addition of a built-in eyepiece shutter, the space available for lens movement has decreased (5mm on the EOS-1).

On the right side of the screen there is an exposure indicator, an exposure level scale, a frame counter (the last 9 frames). Same as the EOS-1, except for the exposure compensation indicator, which also functions as an indicator for the added flash exposure compensation function.

Node shutter

Node shutter it is an integrated component of the camera's exposure control. The EOS-1N is an electronically controlled focal plane shutter with vertical curtain travel.

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The design is based on gatee EOS -1, but gate in this model, it can go through 100000 cycles of exposure without maintenance, and 150,0000 cycles with maintenance. However, the two-layer light blocking mechanism has not yet been implemented (introduced in the RS model).

TECH SPECS shutter

1. Type - focal lamella gate with vertical stroke
2. System - parallelogram mechanism
3. Lamellas in the curtains - 5 each (10 total)
4. Lamella material - 1, 2, 3: carbon fiber; 4, 5: super duralumin
5. Setting in motion - torsion springs on the first and second curtains
6. Speed ​​control system shutter all modes are electronically controlled, through electromagnets (suction type under voltage)
7. Shutter speed - approx 2.7nis / 24mm
8. Range of modes - from 1/8000 to 30 sec, bulb
9. Flash sync (maximum value) - 1 / 250 sec
10. Signals - control, signal of the second curtain movement

Curtain blades shutter have a water-repellent lubricant as protection against water penetration during film changes in wet weather. The durability of the shutters has been improved by using carbon material instead of super-duralumin for # 1, # 2 and # 3 blades shutter (they are most susceptible to abrasion as a result of work). The use of carbon material reduces the mass of each blade, which reduces the inertia produced by the shutter stroke, increasing durability also by reducing the load on the blades and drive train.

Time of continuous operation in open mode shutter at normal temperature 60 hours from 2CR5 cells, and 50 hours when using a battery pen with LR6x8 cells.

Time lag of the mechanism delay (from the moment the shutter button is pressed to the shutter) is 55ms. The constant delay allows you to synchronize the operation of the diaphragm and other units to ensure the correct exposure of the frame.

Autofocus system

The Canon EOS-1N is the flagship of the second generation autofocus system. At that time, the history of autofocus systems lasted for 10 years, since 1987, and everything was becoming more popular among manufacturers of photographic equipment.

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By that time, of course, technologists had found more or less acceptable configurations of electronics for autofocus, and manufacturers began to develop those very areas. In terms of design, performance and commercial applications, the Canon EOS EF's combination of AF concept has proven to be the most successful of all the prevailing options.

After turning on the camera by pressing the shutter button shutter halfway, autofocus and metering are activated. Information is shown in the viewfinder and display. On the automatic machine, the camera itself selects individual focus points after evaluating all points at the same time. In AI Servo AF mode, the system always gives priority to the center (cross-type) focus point.

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One Shot AF

One-Shot AF - Descent shutter after focusing. This mode is often used from stationary subjects. In this mode, gate will not work if the subject is out of focus, thereby preventing blur in the photo. Besides, gate will not work if the focus indicator is blinking. This means the subject is out of focus range. In evaluative metering mode, the moment the focus button is pressed, the best exposure metering combinations are determined and remain visible in the camera's viewfinder until the button is released.

There is a focus lock function available in One-Shot AF mode. This feature is useful for artistic photography.

AI Servo AF

AI-Servo - Continuous focusing, which, depending on the setting, either activates gate regardless of focusing, or focuses within certain limits and activates gate... A mode in which the lens focuses on the subject continuously while the shutter button is shutter half pressed. Also, AI-Servo automatically activates focus prediction. The mode is effective when the distance from the camera to the subject is changed. Focus prediction attempts to provide a clear focus based on the movement of the subject. The exposure is determined just before the descent shutter... In Al Servo AF mode, the beep does not sound and the focus indicator blinks if the camera thinks that focus has not been captured.

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The autofocus system is based on a chip that is much more sophisticated than the first autofocus Canon-650.

The optical system used for metering is basically the same as the system used in the EOS 5. Except that the center vertical line sensor (CV-BASIS) is intended for use with lenswith a maximum aperture of approximately 2,8 and wider (same as the EOS 1-V). All sensors used for focusing use the same type TTL-SIR system used in previous EOS DSLR cameras. The increased autofocus speed of the EOS-1N is provided by a high-speed microprocessor with a frequency of 12 MHz (the minimum calculation time is 0,17ms, versus 0,33ms for the Canon EOS-1).

Canon EOS-1N Exposure Control

The metering control system is implemented by a combined SPC for TTL-Exposure metering at open aperture (16-zone evaluative, 9% partial, spot (2.3% at center), 3.5% spot metering at focus point, center-weighted) with shutter speed or aperture priority, depth of field, programmed automatic, and manual exposure metering.

AE lock is automatic after focusing in One-Shot AF or evaluative metering. Manual exposure lock is enabled with the AE lock button in all metering modes. Exposure compensation and auto correctionbracketinga within the range of ± 3 EV (in 1/3-stop increments). Metering range for evaluative or partial metering: EV 0 - 20.

Measurements are made by the optical system and AE sensors. As with the EOS-1, three metering sensors at different locations are used for six metering modes. The 16-zone metering sensor above the eyepiece is used for 16-zone evaluative, partial, spot and center-weighted integral metering. The sensor used for more accurate metering is paired with a CMOS AF sensor. The measurement mode can be selected according to the user's purpose.

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The photometric areas of the metering sensor correspond to the five points of the focusing system. Exposure compensation can be set by pressing the button and rotating the main command dial.

While working, first focus on the subject and confirm the exposure. Then rotate the quick select dial to set the desired exposure compensation. An additional indication is displayed on the LCD panel, “+” means overexposure and “-” means underexposure.

 

Exposure Metering Types Canon EOS-1N

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Evaluative metering

The EOS-1N metering sensor has 16 zones in the scene metering area. He can judge the size of the subject and the environment and set the correct exposure. Evaluative metering assumes the main subject is in focus. This method of metering the exposure across the entire image is suitable for portraits and even backlit (backlit) subjects. The camera automatically sets the exposure according to the scene. When evaluative metering and One-Shot AF are set, AE lock occurs, but focusing carried out. She often makes mistakes in backlighting, so exposure compensation needs to be set.

Evaluative metering is accurate regardless of the selected focus point. In the case of manual focus, evaluative metering is linked to the center focus point only.

Partial metering

Unlike evaluative metering, partial measurement Convenient when the background is much brighter than the subject due to backlighting, etc. Partial metering covers about 9% of the area in the center of the viewfinder. Center partial metering is based on the output of the evaluative metering sensor, and covers about 9% of the viewfinder display area. There are two ways to use this mode: with an exposure meter, or a 16-zone sensor that doubles to display the smallest metering particles, snapping to one of five focus points through the activation of a custom function.

Spot metering

Can be included in CF-13 functions (1). It works like spot metering with links to active focus points. Meters the exposure of a specific part of an object or scene. Suspended exposure metering is produced in the center area, which is approximately 3,8% of the viewfinder area.

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Fine-spot metering

Meters the exposure of a specific part of an object or scene. Suspended exposure metering is produced in the center area of ​​approximately 2,3% of the viewfinder area. Used, for example, to measure any part of an object. This is very effective when you want to bring out as much detail as possible from the shadows. Metered areas for comparison, at each focus point

Center-weighted integral metering

No evaluation; selected with C.Fn 8-1. As a partial and sophisticated spot metering, it uses the same 16-zone metering sensor. The calculation of measurements in this mode is based on the output of all sections of the 16-zone sensor. When used in conjunction with the Custom Function, center-weighted averaged metering or spot metering is linked to the focus point. In addition, by holding down this button and rotating the command dial, flash exposure compensation can be set for the Speedlite. Flash exposure compensation is new to the Canon EOS-1N.

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Film transport system

The Canon EOS-1N (and EOS-1) is a multi-engine system that first saw the light of day in 1986 in the Canon T90. Such an implementation simplified the handling of the camera and its very scheme, moreover, Canon was slightly ahead of other companies with the introduction of technologies. For the pros, who are essentially experienced users by profession, it was now possible to focus more on the composition of the frame and the shooting process itself, without thinking about the problems of communicating with the mechanics of the device. Plus, it became possible to fine-tune the feed mechanism for the current needs of the photographer (CF-n functions).

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In fact, the basic mechanical design came from the EOS-1, but the EOS-1N's film feed has been improved by optimizing the electronics settings.

The EOS-1N has a built-in propulsion system consisting of a powerful brushless film winding motor, a motor for shutter, mirror mechanism and film rewind. When Power Drive Booster E1 is connected, the camera automatically switches to a triple motor system, taking full advantage of the high-speed mechanism to achieve a maximum shooting speed of 6 frames per second. But even without the Power Drive Booster E1, the Canon EOS-1N's shooting speed has been improved to 3fps over the EOS-1 (2,5). With the silent film rewind settings, the devices of the line work barely audible.

What kind of film is needed for the Canon EOS-1N camera?

Any 135 type (35mm) film in standard rolls will work for Canon cameras. You can use both black and white and color, you can wind the film yourself. Can be bought from masters... A budget hobbyist color film from Fujifilm or Kodak, black and white Tasma, works well. Films c ISO 400 are suitable for low light conditions, and on films with ISO 200 is best for shooting outdoors in clear or slightly cloudy weather.

Camera body

The body plating was reinforced by surface treatment with chemical nickel plating and copper plating, on which the last layer was sprayed with chromium, covered with a layer of transparent acrylic urethane. In the EOS-1N, however, after surface treatment with chemical nickel and copper plating, the surface was coated with black polyester urethane and on top of it, a layer of transparent acrylic urethane. This double coating improves the adhesive strength of the coating while maintaining the same strength. The waterproof performance of the device has also been improved.

Canon EOS-1N schematics

Electronic block diagram Canon EOS-1N

Electronic circuit the EOS-1N includes a total of 9 LSI and IC groups, along with a crystal oscillator. Display elements and other circuit components are controlled by two processors. Input calculation operations and control processing sequence are carried out using digital signals, except for IC measurement and near the I / O function. The overall scale of the diagram containing the camera body is lens i-Power Drive Booster E1 is equivalent to EOS-1.

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M-CPU - The central processor of the camera, - operates with various data from the controls and sensors
AF-CPU - Autofocus data processor. Participates in the calculation of the focal length to the object and the transfer of information about the parameters to the central processor
I / O - I / O interface. Subordinated by default to the AF data processor, it is also used to receive analog data from TTL OTF metering systems and digital data from flashes, lenses and additional modules
LCD Driver - A driver for outputting graphic information to an external display. user display and viewfinder
Metering sensor -16-zone metering sensor
Focusing sensor - Exposure, focus and amplifier in one chip
Dial IC - Quick Select Disk Control IC Motor Driver-1 - Motor control IC M-1. Has a wide range of operating voltages from 4 to 15V. Film rewinding.
Motor Driver-2 - Motor control IC M-2. Mirror engine, shutter.
Motor Driver-3 -PDB-E1 - Motor control IC in battery grip, increasing burst speed.
SW-Lock IC - PDB-E1 - Data control chip from switches on the camera body. It is also a sensor that detects the connection of the battery handle with built-in electric drive.

The autofocus calculation is carried out on the basis of a high-speed 12MHz processor, and the general control of the camera mechanisms is carried out at a frequency of 8.38MHz.

Comparison of the number of elements in the Canon EOS-1N and EOS-1

Item Name

Canon EOS-1N

Canon EOS-1

Microcircuits

9

11

Motors

2

2

Mirrors

3

3

Sensors

26

13

Switches

26

26

Information display elements

9

4

Light-sensitive elements

3

2

Aligned connectors

49

49

Timing diagram of the device

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An example is given for a unit with a battery grip and a typical USM lens.

Summary

For its time, it is the foremost professional camera. Much that was implemented in the film units of the 90s migrated to the digital age.

Canon EOS-1N (1994) manual

Canon Eos 1n


Adapters for cameras and lenses

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