Sony FE 24-105mm F4 G OSS, Руководство по обслуживанию

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SEL24105G
(7) Focus Shift Adjustment
• The focus shift due to change in the F number is corrected.
Subject
• Flange back adjustment jig
+ FB adjustment chart
• Siemens star chart
Operation on Lens side
• Focus mode switch
• Zooming ring
Type of the camera ILCE-6300
Shooting Mode of the camera P mode (Program Auto)
Preparations
For the focus shift adjustment, use two kinds of subjects.
Please set the subject according to the message screen display.
• Flange back adjustment jig (Screen display: INF)
Flange back
adjustment jig
Within 10 mm
Lens to be tested
• Siemens star chart (Screen display: Finite_0.51m)
Lens to be tested
Image sensor
position mark
Siemens star
chart
510 mm
Adjusting Method
1. Click the [FSA1 (S)] button in the Adjustment and Inspection.
2. The START screen is displayed, after the preparation of adjust-
ment is completed, press the ENTER key.
3. “Set FocusSW : AF” is displayed, set the focus mode switch to
the AF.
Focus-mode switch
4. When the ENTER key is pressed, message screen is displayed
in the following. Set the zooming ring to the WIDE end (focal
length: 24 mm).
Zooming ring
5. When the ENTER key is pressed, message screen is displayed in
the following. Set the flange back adjustment jig on the subject.
6. When the ENTER key is pressed, automatic adjustment is started.
7. After the automatic adjustment is completed, message screen
is displayed in the following. Set the siemens star chart on the
subject.
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