Sony SAL50F14 Service Manual ▷ View online
4-14
SAL50F14 (1.4/50) (50mm F1.4)
4-4-2. Flange Back (f’F) Adjustment
Equipment
• 1000 mm Collimator
• Flange Back Tester
• A-mount Attachment
• Flange Back Gauge (43.50mm)
• Adhesive bond (B-10)
• Name Ring Wrench (55mm)
Adjusting Method
1)
Disassemble or assemble the checking lens into the state of Fig.4-4-5.
Fig.4-4-5
2)
Perform “4-4-1. Flange Back (f’F) Check”, and check that the flange Back (f’F) of the checking lens is out of specification of the
Table 4-4-1.
3)
Turn the focusing knob of the tester until the flange back (f’F) of the checking lens is “44.56 mm”.
Note:
When turning the focusing knob of the tester, chart image check is not required.
4)
Turn the focusing ring of the checking lens until red and green color areas are equal on the chart while looking through the micro-
scope.
Note:
If in-focus point cannot be obtained even through the focusing ring is fully turned, perform the following steps (1) to (4) and
shift the position of the focusing ring. (Refer to Fig.4-4-6.)
(1) Set the focusing ring to the infinity stop position, and hold the distance tube block.
(2) Loosen the six screws fixing the focus operating ring.
(3) Turn the helicoid in the direction of the arrow (screw in direction), and tighten the six screws loosened in step (2) temporarily.
(4) Perform the step 4) again.
Fig.4-4-6
Focus Operating Ring
Focusing Ring
Screws
Screws
Screws
4-15
SAL50F14 (1.4/50) (50mm F1.4)
5)
Loosen the six screws fixing the focusing ring set plate, and set the focusing ring to the infinity stop position without moving the
helicoid. (Refer to Fig.4-4-7.)
6)
Tighten the six screws loosened in step 5).
Fig.4-4-7
7)
Check that the focusing ring moves smoothly from minimum distance to infinity, and perform “4-4-1. Flange Back (f’F) Check”
again.
8)
After the adjustment is completed, apply the adhesive bond (B-10) to the position shown in the Fig.4-4-8.
Fig.4-4-8
Focus Operating Ring
Focusing Ring
Screws
Screws
Screws
Focus Operating Ring
Apply the adhesive bond (B-10) (Six screws)
4-16
SAL50F14 (1.4/50) (50mm F1.4)
4-5.
LENS ROM CHECK
Note:
If dialog box of error code appears during the checking, check the reason of error referring to page 4-20.
Equipment
• Personal Computer (PC)
• Camera DSLR-A100
• USB Cord With Connector
• Lens Adjustment Program
Note:
Lens Adjustment Program is downloadable from the ESI homepage.
1. Preparations
1)
Connect the checking lens to the camera.
2)
Start the lens adjustment program “LensAdjustment.exe” referring to “4-1-2. Lens Adjustment Program”.
Fig. 4-5-1
2. Checking Method
1)
Click the
[Connect]
button on the lens adjustment program.
Note:
Click the
[End]
button to disconnect the USB connection, then lens adjustment program will terminate.
2)
Check that the display of “Lens Code” and “Model Name” is correct.
Note:
Focus position setting is not required.
Fig. 4-5-2
3)
Click the
[End]
button to terminate the lens adjustment program.
4)
Turn the POWER switch of the camera to OFF.
4-17
SAL50F14 (1.4/50) (50mm F1.4)
4-6.
FOCUS BRUSH POSITION CHECK/ADJUSTMENT AND PATTERN CHECK
Note:
If dialog box of error code appears during the checking or adjustment, check the reason of error referring to page 4-20.
4-6-1. Focus Brush Position Check
Equipment
• Personal Computer (PC)
• Camera DSLR-A100
• USB Cord With Connector
• Lens Adjustment Program
Note:
Lens Adjustment Program is downloadable from the ESI homepage.
1. Preparations
1)
Connect the checking lens to the camera.
2)
Start the lens adjustment program “LensAdjustment.exe” referring to “4-1-2. Lens Adjustment Program”.
Fig. 4-6-1
2. Checking Method
1)
Click the
[Connect]
button on the lens adjustment program.
Note:
Click the
[End]
button to disconnect the USB connection, then lens adjustment program will terminate.
Fig. 4-6-2
2)
Click the
[Focus]
button on the lens adjustment program.
3)
Set the focus position to infinity end, then check that the OK (Green) indicator of “Position” lights as shown in Fig. 4-6-3.
Fig. 4-6-3
If the NG (Red) indicator of “Position” lights, perform the “4-6-2. Focus Brush Position Adjustment and Pattern Check”.
Fig. 4-6-4
4)
Click the
[Exit]
button.
5)
Click the
[End]
button to terminate the lens adjustment program.
6)
Turn the POWER switch of the camera to OFF.
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