Read Sony SAL20F28 Service Manual online
4-15
SAL20F28 (2.8/20) (20mm F2.8)
3)
Attach the rear light shield barrel, lens mount riveting block and outside barrel to the checking lens, and install the checking lens to
the flange back tester.
4)
Check the flange back (f’F) of the checking lens meets the specification referring to “4-4-1. Flange Back (f’F) Check.”
If not to meet the specification, replace the back adjustment washer referring to step 1, 2 of adjustment method, and check flange
back again.
5)
After the adjustment is completed, remove the rear light shield barrel and lens mount riveting block once. Apply adhesive bond (B-
40) to the four screws, and then fix the outer tube with four these screws. (Refer to HELP08.)
6)
Attach the rear light shield barrel and lens mount riveting block. (Refer to HELP09.)
Fig.4-4-5
Lens Mount Riveting Block
Apply the adhesive bond(B-40)
Apply the adhesive bond(B-40)
Back Adjustment Washer
Outside Barrel
Screws
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