Read Sony SAL1118 Service Manual online
4-7
SAL1118 (4.5-5.6/11-18) (DT 11-18mm F4.5-5.6)
4-2-2. Aperture Diameter Adjustment
Equipment
• Luminance Box
• Camera DSLR-A100
• AE Master Lens
• Compact Flash (CF) Card (For image saving)
• Personal Computer (PC)
(Color Calculator 2 installed)
• Adhesive bond (B-10)
1. Preparations
1)
Remove the rear light interception tube.
2)
Set the zoom ring at the Tele end position.
3)
Move the preset lever to set the preset ring at the open aperture position.
Fig.4-2-8
2. Adjusting Method
1)
Let the operation lever of the preset ring move to left and right sides by loosening two screws slightly to move to left and right sides.
2)
Move the two screws while seeing the lights from the rear lens element side, and tighten two screws at the point where the diaphragm
blades are hidden into the edge completely.
Fig.4-2-9
3)
Perform “4-2-1. Aperture Diameter Check”, and repeat steps 1) to 3) until the aperture error is within the specification.
4)
After the adjustment is completed, apply the adhesive bond (B-10) to the two screws tightened in step 2).
Preset lever
Preset ring
Scres (Apply adhesive bond (B-10) after tightening)
Operation lever of Prisettoring
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