Read Sony SAL20F28 Service Manual online
4-7
SAL20F28 (2.8/20) (20mm F2.8)
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)
• Name ring wrench (72mm)
1. Adjustment Method
1)
Disassemble or assemble the checking lens into the state of Fig.4-2-9.
Fig.4-2-9
2)
Remove the adhesive bond fixing the iris aperture unit holding spring.
Fig.4-2-10
2nd Lens Block
Front Lens Barrel
1st Lens Block
Decoration Ring
Adhesive bond(B-10)(3 areas)
Adhesive Bond
Aperture Unit Holding Spring
Adhesive Bond
Iris Retainer Ring
Ver 1.2 2007.05
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