Sony SAL1118 Service Manual page 38

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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

Remove the rear light interception tube.

Set the zoom ring at the Tele end position.

Move the preset lever to set the preset ring at the open aperture position.

Preset lever

Preset ring

2. Adjusting Method

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.

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.

Scres (Apply adhesive bond (B-10) after tightening)

Perform "4-2-1. Aperture Diameter Check", and repeat steps 1) to 3) until the aperture error is within the specification.

After the adjustment is completed, apply the adhesive bond (B-10) to the two screws tightened in step 2).

SAL1118 (4.5-5.6/11-18) (DT 11-18mm F4.5-5.6)

Fig.4-2-8

Operation lever of Prisettoring

Fig.4-2-9

4-7

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