Canon Canonet 1 Service Manual page 67

6. HOW TO USE
6. 1. Place the stand of the 200mm T Type Collimator on a flat table, set up the pole and attach the collimator to
the pole.
6.2. Place the mirror on the bench of the stand. Next, turn the heliographical mirror and adjust so that the field of
vision is brightest. It is most desirable to use natural light.
6. 3. Turn the adjusting ring for the diopter and adjust so that the crossed line within the field of vision is clearest.
6.4. Turn the adjusting knob directly underneath the scale and find the position in which the test
be seen at its clearest.
The test target picture should be clearest when the scale is at the " 0 " position, but adjustment is not very easy
until one gets used to it. Practice is necessary.
6. 5. After the camera has been assembled, place the mirror against the camera's film plane position and close the
back cover. Have the reflecting surface of the mirror facing toward the lens side.
6. 6. Open the lens aperture to F l . 9, set the distance scale to infinity
the shutter.
6. 7. Place the camera with the top cover toward you on the bench.
6. 8. Turn the adjusting knob directly underneath the scale and find the position in which the test
be seen at its clearest.
If this position is between 8 and 10 on the black letter side, you are guaranteed of correct focusing of your ca-
mera.
7. HOW TO ADJUST
7 . 1 . If this position is not between 8 and 10 on the black letter side, take the following steps:
7 . 2 . Adjust the scale of the 200mm T Type Collimator to 9 on the black letter side.
7.3. Loosen the lock screw S3787 of the camera's focusing ring C4256.
7. 4. Place the camera on the bench. While looking at the field of vision, place your fingers on the focusing knob and
turn the helicoid slowly, either clockwise or counter clockwise.
Turn the helicoid until you find the position in which the test target picture is clearest.
7. 5. Make the infinity mark oo of the focusing ring C4256 coincide with the distance scale index and then tighten the
lock screw S 3787.
7. 6. Repeat the inspection outlined in 6. 8. •
target picture can
set the shutter speed to T (time) and open
target picture can
See Repair Manual p. 6.
See Repair Manual p. 6.