Canon EOS D60, Руководство по обслуживанию

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Part 3: Repair Information
3-25
3. MECHANICAL ADJUSTMENT
3.1 Main Mirror and Sub Mirror Adjustment
3.2 AF Sensor Position Setting
<Purpose>
The center of the middle AF sensor must be aligned with the optical axis.
<Specifications>
The center of the middle sensor must be located inside the AF frame.
<Tools>
•
EF 50mm f/1.8 (product)
•
Penlight or illuminator
<Preparation>
1) Close the lens diaphragm to f/8 using the product
body of EOS-D60.
* Set the EOS-D60 to MANUAL mode and set the
aperture to f/8. Then remove the lens while
depressing the rear depth-of-field button.
2) Set the distance scale of the lens to the
×
(infinity)
end.
(The AF frame can be viewed more easily.)
<Adjustment>
1) Attach the EF 50mm f/1.8 to the front panel unit
with the mirror unit, focusing screen and the AF
sensor unit (tentatively fixed) installed.
2) While directing the output light of the penlight
toward the AF sensor unit, look into the lens. Then
the AF frame and the BASIS image can be seen as shown in Figure 3-26.
3) Move the AF sensor unit right and left until the center is located in the center
of the AF frame.
4) Tighten the screw fixing the AF sensor unit gently, and apply Three Bond
1401B to the screw head (If over-tightened, the sensor position may change.)
No adjustment is required. (pre-adjusted service parts provided)
CAUTION
Perform the AF Sensor Position Setting when the AF sensor is replaced.
CAUTION
Fig. 3-24 AF frame and BASIS
Fig. 3-25