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2-1

SAL50F18 (DT 1.8/50 SAM) (DT 50mm F1.8 SAM)

Cut and remove the part of gilt 
which comes off at the point.
(Be careful or some 
pieces of gilt may be left inside) 

• Make sure that the flat cable and flexible board are not cracked of bent at the terminal.

Do not insert the cable insufficiently nor crookedly.

• When remove a connector, don’t pull at wire of connector. It is possible that a wire is snapped.

• When installing a connector, don’t press down at wire of connector.

It is possible that a wire is snapped.

• Do not apply excessive load to the gilded flexible board.

In case of the following notches or holes are located in the lens block, etc during disassembling/
assembling the lens, Use the universal wrench.

Attach the chip-A or chip-B to the universal wrench.
For the notches: chip-A
For the holes:

chip-B

Match the universal wrench to the holes or notches of the lens block, etc.

Notches

Holes

Universal wrench
J-6082-609-A

Chip-A for 
universal wrench:
J-6082-609-1

Chip-B for 
universal wrench:
J-6082-609-2

Notches

Chip-A

Chip-A

Chip-B

Chip-B

Chip

Fixed screw

Fixed screw

Chip

Match the universal wrench 
to the width of holes or notches.

Universal wrench

Holes

NCPOP2B

Grease (G-116): 

J-6082-628-A

Grease (G-62): 

J-6082-670-A

 Grease (G-36): 

            J-6082-667-A

G-116

G-62

G-36

 Grease (G-22): 

            J-6082-665-A

G-22

B-10

Adhesive bond (B-10):

J-6082-612-A

Grease (NCPOP2B):   7-640-016-79

The changed portions from
Ver. 1.2 are shown in blue.

SAL50F18 (DT 1.8/50 SAM) (DT 50mm F1.8 SAM)

2-2

1

3

4

5

2

4

3

B-10

B-10

B-10

2

qd

6

1

5

7

6

7

8

9

qa

q;

qs

G-22

G-36

G-36

G-116

G-36

G-116

PROJECTIVE RESOLVING 
POWER ADJUSTMENT

NCPOP2B

2-1-1

2-1-2

Switch Panel Block

(

Note 2

)

Note 1

Note 1:
How to remove the mount assembly 
1. Remove four screws.
2. Set the focus to the infinity end. 
3. Float the mount.
4. Disconnect the connector of PC board joint flexible.
5. Set the aperture of preset lever to “Open” and 

disconnect the linkage of function lever and 
driving wheel pin.
(Refer to HELP01.)

Note 2:
How to remove the switch panel block (Scar prevention)
Insert tweezers or a narrow tip stick in the hole of rear mirror 
assy tube and peel the switch panel block by pushing it 
from the inside with the tweezers or a narrow tip stick. 
(Refer to HELP03.)

Chip (Mount Index)

Function 
Lever

Mount Cover

Main  PC Board Assy

Main Spring

Mount

DC Motor (Geared)

Double-Coated 
Adhesive Tape

Decoration Seal

Rear Mirror Assy Tube

Reinforcement 
Brush

Interception

Interception Tape

Focos Rubber

Focos Brush

Bolt Screw

Outer Tube Assy

Front Group Assy

Filter Screw Frame

Helicoid Male

Rear Group Assy

Stopper 
Screw

Midway Mirror Tube

Focus Ring Assy

Vertical Groove 
Cylinder

PC Board Joint Flexible 

LOCTITE 460
or the equivalent

FLANGE BACK 
ADJUSTMENT

APERTURE DIAMETER
ADJUSTMENT

FOCUS BRUSH POSITION
ADJUSTMENT

The changed portions from
Ver. 1.2 are shown in blue.

SAL50F18 (DT 1.8/50 SAM) (DT 50mm F1.8 SAM)

Note for assembling and grease applying positions are shown.

1.

Remove four screws.

2.

Set the focus to the infinity end.

3.

Float the mount.

4.

Disconnect the connector of PC board joint flexible.

5.

Set the aperture of preset lever to “Open” and disconnect the linkage of function lever and driving wheel pin.

Mount Assy

PC Board Joint Flexible 

Function Lever

Preset Lever

Driving Wheel Pin

SAL50F18 (DT 1.8/50 SAM) (DT 50mm F1.8 SAM)

1.

Set the focus to the infinity end.

2.

Set the aperture positions of driving wheel pin and preset lever “Open”.

3.

Link the function lever with the driving wheel pin.

4.

Connect the PC board joint flexible.

5.

Fix the mount assy with four screws.

Mount Assy

Preset Lever

Function Lever

PC Board Joint Flexible

Driving 
Wheel Pin