Sony SEL1224G Service Manual page 24

2-3-10. MF RING BLOCK
3 Apply grease.
(total twelve position)
G-85
front (lens) side
rear (mount) side
1 MF ring assy
4 focus rubber
2 Apply anti-diffusion agent.
A-20
3 Apply grease.
G-85
ditch
ditch
rib
rib
2-21
3 Apply grease.
(total twelve position)
G-85
MF ring assy
(from front (lens) side)
5 Align three ditches with three ribs,
and install the MF ring block.
ditch
rib
rear (mount) side
front (lens) side
SEL1224G