Sony SEL85F14GM Service Manual page 34

Adjustment Method of "Flange Back (S)"
About "Flange Back (S)" item, the operation of lens side is required.
Note: When operating the lens, hold a camera body by hand firmly so that the lens does not move, and then operate it.
At this time, never touch the focus ring.
1. After clicking the [Flange Back(S)] button, "Please Set the Brightness.[30-60cd/m^2]" is displayed, set the brightness and push the ENTER key.
2. After "START" is displayed, push the ENTER key.
3. "Set to IrisRing [Auto] position." is displayed, match the iris ring to the iris scale "A" and push the ENTER key.
SEL85F14GM (FE 1.4 / 85 GM) (FE 85mm F1.4 GM)
4. "Please Set the Brightness.[155-165cd/m^2]" is displayed, set the brightness and push the ENTER key.
5. After completing the adjustment, "FNO COMPENSATION ADJUSTMENT OK" is displayed.
6. Recording the adjustment data and releasing the adjustment mode are performed automatically by pushing the ENTER key. After processing,
"FINISHED" is displayed.
Checking after the Adjustment
1. Referring to the "4-2. OPTICAL AXIS CHECK/ADJUSTMENT", set the checking lens to the 1000 mm collimator.
2. Set the following items and focus the lens, and then measure the infinity end F1.4 image position with 1000 mm collimator.
• Focus mode: Manual focus
• Shooting mode: A mode
• Iris value: F1.4
3. Set the iris value to F8.
4. Confirm that the image change is less than 0.02 mm when setting the iris value to F8.
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