4-19
SAL135F28 (STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)
4-2-3. M Aperture Diameter Adjustment
Equipment
• Adhesive bond (B-10)
1. Adjustment Method
1)
Remove the adhesive bond of the three screws fixing the M iris retainer plate.
Fig.4-2-14
2)
Set M iris indicated portion as shown in figure.
Fig.4-2-15
3)
Turn the M aperture unit holding plate to adjust the position where the M diaphragm blades are hidden into the edge completely.
Fig.4-2-16
M Aperture Unit Holding
Adjustment Screws
for Aperture Diameter
(Three areas)
M Aperture Operation Ring
Index of M Iris