Sony SAL50F18 Service Manual ▷ View online
HELP
SAL50F18 (DT 1.8/50 SAM) (DT 50mm F1.8 SAM)
HELP08
1.
Set the main unit assembly to the infinity end and insert counterclockwise the helicoids male as far as it goes.
2.
Align the round mark on the filter screw frame with the concave at the side of the round mark on the outer tube.
3.
Install the lens unit assy to the main unit assy, aligning the driving wheel pin with the cut portion (working part of driving wheel pin).
Note 1:
Insert three projections of rear group assy in three grooves of vertical group cylinder.
Note 2:
Insert three projections of outer tube in three grooves of focus ring assy.
4.
Tighten with three screws.
Note:
Install screws in the center of oblong holes of filter screw frame.
Helicoid Male
Screw
Vertical
Groove
Cylinder
Groove
Cylinder
Cut portion
(working part of driving wheel pin)
(working part of driving wheel pin)
Round mark
(Outer Tube)
(Outer Tube)
Lens Unit Assy
Concave
Round mark
(Filter Screw Frame)
(Filter Screw Frame)
Driving wheel pin
Projection
(Outer Tube)
(Outer Tube)
Projection
(Rear Group Assy)
(Rear Group Assy)
Groove
(Focus Ring Assy)
(Focus Ring Assy)
Vertical groove
Oblong hole of Filter Screw Frame
Main Unit Assy
HELP
SAL50F18 (DT 1.8/50 SAM) (DT 50mm F1.8 SAM)
HELP09
Grease (G-116): J-6082-628-A
1.
Apply the grease (G-116) to the indicated portion of filter screw frame.
2.
Install the filter screw frame to the front rear lens assy and fix it with three screws.
Note:
Align the bulge of front rear lens assy so that the bulge comes between the oblong holes without inscription on reverse side
of filter screw frame.
3.
Assemble the filter screw frame into the outer tube, rotating counterclockwise the filter screw frame.
Note 1:
Insert, aligning the round mark on the outer tube with the round mark on the filter screw frame.
Note 2:
Rotate clockwise the filter screw frame until it clicks and engage the filter screw frame with the outer tube.
Filter Screw Frame
Apply the grease (G-116)
Front Rear Lens Assy
Oblong holes
Bulge
( )
Oblong hole
There is a inscription
on the reverse side.
on the reverse side.
Inscription (Reverse side)
Note 2
Outer Tube
Filter Screw Frame
Helicoid
Outer Tube
Filter Screw Frame
Round mark
Round mark
Ver. 1.2 2009.10
The changed portions from
Ver. 1.1 are shown in blue.
Ver. 1.1 are shown in blue.
HELP
SAL50F18 (DT 1.8/50 SAM) (DT 50mm F1.8 SAM)
HELP10
Grease (G-36): J-6082-667-A
1.
Apply the grease (G-36) to the side of convex of rear group assy at three locations.
2.
Assemble the front group assy into the rear group assy, aligning the inscription (PC) on the front group assy with the bulge of rear
group assy
3.
Fix them with three screws.
Rear Group Assy
Rear Group Assy
Apply the grease (G-36)
Apply the grease (G-36)
Apply the grease (G-36)
Apply the grease (G-36)
Rear Group Assy
Front Group Assy
Bulge
Inscription (PC)
HELP
SAL50F18 (DT 1.8/50 SAM) (DT 50mm F1.8 SAM)
HELP11
Grease (G-36): J-6082-667-A
1.
Apply the grease (G-36) to the indicated portions of helicoid male and helicoid female.
2.
Set the focus ring assy to the infinity (
∞) end.
3.
Assemble the helicoid male into the helicoid female, rotating counterclockwise the helicoid male.
Note 1:
Insert the helicoid male into the helicoid female, aligning the index pin of midway mirror tube with the inscription (PC) on
the helicoid male.
Note 2:
Rotate clockwise the helicoid male until it clicks and engage the helicoid female with the helicoid male.
Note 3:
When assembling counterclockwise the helicoid male as far as it goes, confirm that the round concave of helicoid male
and the vertical groove of focus ring assy locate as shown in the illustration.
Focus Ring Assy
(Cross section)
(Cross section)
Helicoid Male
(Cross section)
(Cross section)
Helicoid Male
Apply the grease (G-36)
Apply the grease (G-36)
Apply the grease (G-36)
Helicoid Male
Helicoid Female
Focus Ring Assy
Midway Mirror Tube
Note 2
Note 3
Helicoid Female
Helicoid Male
Inscription
(PC)
(PC)
Vertical groove of Focus Ring Assy
Index pin
Round concave of Helicoid Male
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