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5-13
SEL200600G
5-2-4. Optical Axis Adjustment (B01 assy)
Optical Axis Adjustment (B01 assy) is done by increasing or
decreasing the thickness of the washer.
Refer to “2-2. DISASSEMBLY”, disassemble the lens, and
change the thickness of the washer.
Adjusting Procedure
1. Remove the filter screw ring assy, referring to the “2-2. DISAS-
SEMBLY”.
2. Loosen the three screws to fixing the B01 assy.
3. Attach the checking lens to the flange back tester referring to
the steps 1 to 3 of “Preparations of Using a Camera (General
Emount Interchangeable Lens Digital Camera)” or “Preparations
of Using a B-L Control Box”, and set the 1000 mm collimator.
4. Set the zoom to the TELE end.
5. Adjust the optical axis by increase or decrease the thickness of
the 1 group tilt washer so that the ring chart image is centered
while looking at the 1000 mm collimator.
1 group tilt washer
1 group
tilt washer
1 group
tilt washer
1 group tilt washer
(from front (lens) side)
notch side
1 GROUP TILT WASHER
Thickness (mm)
Part No.
0.02
500578601
0.03
500578611
0.05
500578621
0.06
500578631
0.10
500578701
0.15
500578711
0.20
500578721
0.30
500578731
0.40
500578741
0.50
500578751
6. Perform the “5-2-2. Optical Axis Check”, check that the optical
axis of checking lens satisfies the specification.
7. When the specification (reference value) is satisfied, tighten the
three screws loosened at step 2.
SYS SET
2019/06/28 22:04:56 (GMT+09:00)