4-30
SAL135F18Z (Sonnar 1.8/135 ZA) (Sonnar T
*
135mm F1.8 ZA)
Loosen two screws fixing the brush,
adjust the brush position
Check the conduction
Brush
No conduction
Adjustment : OK
Adjustment : NG
Apply the adhesive
bond (B-10)
Conduction
4-8.
FOCUS BRUSH POSITION CHECK/ADJUSTMENT
4-8-1. Focus Brush Position Adjustment
Equipment
• Special driver
• Adhesive bond (B-10)
Focus Brush Position Adjustment
1)
Disassemble the checking lens into the state of Fig.4-8-1.
Fig.4-8-1
2)
Set the focus to the infinite end.
3)
Check the conduction between first pattern and second pattern from top as shown in figure.
• When the brush comes to the area circled where no pattern exists, no conduction occurs. (Adjusted)
• When the brush comes to the area circled where the pattern exists, the conduction occurs. (Not adjusted)
Fig. 4-8-2
4)
If not adjusted in step 3), loosen two screws fixing the brush (For focus ring), and adjust the brush position, perform step 2) and 3)
again.
5)
After adjustment, apply the adhesive bond (B-10) to portions shown in Fig.4-8-1.
6)
After adjustment, perform the [2 Focus Brush Position Check] and [3 Pattern Check].
Connector
Focus 1 Cam Ring Assy
Pattern of F-ECD of flexible
Zoom Brush
Apply the adhesive
bond (B-10)
