4-18
SAL135F28 (STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)
4)
Move the preset lever to set the preset ring block at the open aperture position.
Fig.4-2-11
5)
Turn the aperture hold ring to adjust the position where the A iris feathers block are hidden into the edge completely.
Fig.4-2-12
6)
After the adjustment is completed, apply the adhesive bond (B-10) to the head of the three screws as shown in the Fig.4-2-13.
Fig.4-2-13
7)
Assemble the lens completely.
8)
Perform “4-2-1. Aperture Diameter Check”, and repeat “4-2-1. Aperture Diameter Check” and “4-2-2. Aperture Diameter Adjust-
ment” until the aperture error is within the specification.
Aperture Hold Ring
Aperture Hold Ring
Aperture Hold Ring
Apply the Adhesive Bond
(B-10) (Three areas)