Adjusting Procedure - Sony SEL1655G Service Manual

5-4-2. Resolving Power Adjustment (mount assy)
(1) Partial Blur Adjustment

Adjusting Procedure

1. Select "SEL1655G_MOUNT_ASSY" in the LensLauncher for
DF, perform the "5-3-6. Partial Blur Check (DF Tool)" and record
the thickness that is displayed in the target area.
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2. Remove the mount assy, referring to the "2-2. DISASSEMBLY".
3. Replace the back washer so that it has the specified thickness.
back washer
(BW2)
back washer
(BW1)
Target
area
back washer
(BW3)
back washer
(BW4)
5-32
(2) Curvature Adjustment
Adjusting Procedure
1. Remove the mount assy, referring to the "2-2. DISASSEMBLY".
2. Increase or decrease equally the thickness of the four back washer
to adjust the curvature.
Front focus: Make the washer thicker.
Rear focus: Make the washer thinner.
back washer
(BW2)
back washer
(BW1)
3. Perform the check and adjustment repeatedly until the curvature
is resolved.
Note: After adjustment, the thickness of the adjust washer needs
to be stored on the main board of the lens.
Please record the thickness of the adjust washer.
4. Perform the "5-3-7. Write the Thickness of Washer (DF
BACK WASHER
hole
Thickness (μm) Part No.
30 457121202
50 457121212
70 457121222
100 457121232
200 457121242
500 * 457121252
*: Default value
SEL1655G
back washer
(BW3)
back washer
(BW4)
Tool)".
Hole position
SYS SET