Read Sony SAL20F28 Service Manual online
2-4
SAL20F28 (2.8/20) (20mm F2.8)
2-1-3. CAM RING UNIT AND INNER TUBE
EXPLODED VIEW
B
E
B
E
5
Diaphragm Control Block
HELP10
HELP12
4
3rd Lens Block
3
Cam Ring Unit
HELP11
APERTURE DIAMETER ADJUSEMTNT
E
1
Guide Pin
2
Cam Ring Guide
Roller
C
F
D
A
C
F
F
D
A
D
Ver 1.2 2007.05
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