Sony AF DT 50 mm f/ 1.8 SAM Lens マニュアル

1-4

SAL50M28 (MACRO 2.8/50) (50mm F2.8 Macro)

Check the operation

again.

Replace the defective part

or apply the grease.

OK

NG

OK

OK

OK

OK

Function NG

Position NG

Focus trouble

Replace the defective part

or apply the grease.

Check the coupler and

gear block.

Check the fixed holding

tube block and

fixed barrel unit.

NG

NG

NG

NG

NG

END

OK

Check the position

and deformation 

at the tip of the

A encoder brush.

Adjust the position, or replace

the A encoder brush.

Check pattern

of the main flexible block.

Clean the pattern of the 

 main flexible block.

Replace the

main flexible block.