Sony FE 70-200 mm f/ 2.8 GM OSS Lens 用户指南

4-15

SAL75300 (4.5-5.6/75-300) (75-300mm F4.5-5.6)

4)

Adjust the back washer thickness according to the result of step 3). (Refer to Table 4-4-2 and Fig.4-4-5.)

Use the micrometer gauge (or slide gauge) to measure the back washer thickness.

If focus error is a negative value: Decrease back washer thickness by error amount to increase flange back.

If focus error is a positive value:

Increase back washer thickness by error amount to decrease flange back.

5)

Calculate the adjustment washer thickness using the following formula, and replace the adjustment washer.

(Refer to Table 4-4-2 and Fig.4-4-5.)

Coupler adjustment washer thickness = Back washer thickness - 0.25 mm

A

2-698-455-01

0.05

B

2-698-456-01

0.07

C

2-698-457-01

0.1

D

2-698-458-01

0.2

E

2-698-459-01

0.5

A

2-684-057-01

0.05

B

2-684-058-01

0.07

C

2-684-059-01

0.1

D

2-684-060-01

0.2

E

2-684-061-01

0.5

6)

Install the back washer and coupler adjustment washer, and perform “4-4-1. Flange Back (f’F) Check” again.

Coupler Adjustment Washer

Back Washer