Read Sony SAL70200G2 Service Manual online
5-12
SAL70200G2 (2.8/70-200 G SSM Ⅱ) (70-200mm F2.8 G SSM II)
<For reference 2: The example of focusing error amount value check> (Fig. 5-6-5)
Check the displacement between the focus position (peak of image-formation) of the lens to be tested and the focus position (peak of
image-formation) of the AE master lens.
Check the displacement between the focus position (peak of image-formation) of the lens to be tested and the focus position (peak of
image-formation) of the AE master lens.
Example of image shot with lens to be tested (50 mm F1.4)
Example of image shot with AE master lens
Peak area
(existing around 7 to 8 cm
of the rear scale)
(existing around 7 to 8 cm
of the rear scale)
Peak area
(existing around 6 to 7 cm
of the front scale)
(existing around 6 to 7 cm
of the front scale)
Error amount = approx. 14 cm
Fig.
5-6-5
Example of decision:
The lens to be tested has a tendency of backward defocusing compared to the AE master lens. The error amount is approx. 14 cm.
Compare this error amount with the reference value and check whether the error amount is within the acceptable range.
If the error amount is outside the acceptable range, perform 5-10-2. Focusing Error Amount Adjustment (Write
The lens to be tested has a tendency of backward defocusing compared to the AE master lens. The error amount is approx. 14 cm.
Compare this error amount with the reference value and check whether the error amount is within the acceptable range.
If the error amount is outside the acceptable range, perform 5-10-2. Focusing Error Amount Adjustment (Write
⊿
SB) .
5-7. INSTALLATION OF LENS ADJUSTMENT PROGRAM
5-7-1. Installing the Lens Adjustment Program (ActuatorCheckerSSM)
Equipment used
• Personal Computer
• Lens Adjustment Program (ACSSM-S-VerXXX.zip)
• Finished Inspection JIG II (AC 100 - 240 V)
• Personal Computer
• Lens Adjustment Program (ACSSM-S-VerXXX.zip)
• Finished Inspection JIG II (AC 100 - 240 V)
Note 1:
Personal computer must have the condition that Windows Vista/7 runs normally and USB is connectable.
Note 2:
Acquire the Lens Adjustment Program (ACSSM-S-VerXXX.zip) from the each HQ.
1. Saving Lens Adjustment Program (ACSSM-S-VerXXX.zip)
1) Unzip the Lens Adjustment Program (ACSSM-S-VerXXX.zip)
2) Save ACSSM-S-VerXXX.exe in an arbitrary folder.
1) Unzip the Lens Adjustment Program (ACSSM-S-VerXXX.zip)
2) Save ACSSM-S-VerXXX.exe in an arbitrary folder.
Note:
The version of ACSSM-S-VerXXX.exe might be updated.
5-7-2. Connection of Finished Inspection JIGⅡ and Startup of Lens Adjustment Program (ActuatorCheck-
erSSM)
Note 1:
Confirm that 5-7-1. Installing the Lens Adjustment Program (ActuatorCheckerSSM) has been completed before this procedure is executed.
Note 2:
In case of performing Finished inspection, be sure to perform in the condition that the lens is laid down (do not perform in the lens standing
condition).
Equipment
• Personal Computer
• Finished Inspection JIG II (AC 100 - 240 V)
• Personal Computer
• Finished Inspection JIG II (AC 100 - 240 V)
Note:
The cables and so on are not supplied as accessories.
• AC Cable (Sold on the Market)
• RS232C Cable (D-Sub 9 Pins (Male with Securing Screws), D-Sub 9 Pins (Female with Securing Screws)) Straight Type (Sold on the
• RS232C Cable (D-Sub 9 Pins (Male with Securing Screws), D-Sub 9 Pins (Female with Securing Screws)) Straight Type (Sold on the
Market)
• USB to Serial Cable (D-Sub 9 Pins (Male)) (Sold on the Market)
• M-BOX-JIG (J-6082-722-A) (Or the Jig supplied with Finished Inspection JIG (J-6082-645-A))
• Lens Adjustment Program (ACSSM-S-VerXXX.zip)
• M-BOX-JIG (J-6082-722-A) (Or the Jig supplied with Finished Inspection JIG (J-6082-645-A))
• Lens Adjustment Program (ACSSM-S-VerXXX.zip)
1. Connection
Connect equipment and checking lens as shown in Fig. 5-7-1.
Note:
Note:
ActuatorCheckerSSM cannot start up without the connection to the finished inspection JIG II.
• Final
Finished Inspection JIG II
AC Cable
D-sub 9 Pins: Male
D-sub 9 Pins: Female
RS232C Cable
USB to Serial Cable
Lens
Fig.
5-7-1
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