SAL50M28 - Sony Digital Camera Service Manual (repair manual). Page 10

2-3

SAL50M28 (MACRO 2.8/50) (50mm F2.8 Macro)

1

 SW Flexible and  Main Flexible Block

2

 Focus Rubber Ring

3

 MF Operation Ring

4

 Torque Ring Block

!-

 Torque Ring

!=

 

 Torque Ring

8

 Spring Lever

5

 Anti Slip Spring

6

 Fixed Holding

     Tube Block

7

 

Focus 

Operation

Ring Guide Nut

Block

9

 Pinch Distance

Adjust
Washer-A

0

 Float Ring

Holder

Spring Adjust

![

 Friction

      Spring

Select the friction spring and torque ring spring adjust
according to the rotation load of the torque ring as follows.

1. Use the friction spring B and torque ring spring adjust washer (1 piece) as reference.
2. Adjust the torque of the torque ring by changing the number of the 

3. If the rotation remains light even adjust the torque by torque ring spring adjust washer, 

Friction spring A (T = 2.05 mm): 2-684-266-01
Friction spring B

 (T = 1.32 mm): 2-684-267-01

Replace the friction spring B to the friction spring A and adjust again.

torque ring spring adjust washer (0 to 6 pieces).

(See Page 2-4.) 

(See Page 2-5.) 

Note: