Read Sony DSLR-A300K (serv.man2) Service Manual online
4-8
SAL1870 (3.5-5.6/18-70) (DT 18-70mm F3.5-5.6)
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.4-2-10
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).
Operation lever of the preset ring.
The diaphragm blades
are hidden into the edge
completely.
are hidden into the edge
completely.
Two screws
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