Sony SAL18250 Service Manual ▷ View online
HELP
SAL18250 (3.5-6.3/18-250) (DT 18-250mm F3.5-6.3)
HELP02-09
Grease (G-48): J-6082-669-A
1.
Apply the grease (G-48) to the brake ball and assemble the brake ball in the length groove barrel assy.
2.
Apply the grease (G-48) to the indicated portion of length groove barrel assy.
3.
Extend a little the main assy and assemble the focus gear ring, using the bayonet.
Note:
Confirm that the bayonet of focus gear ring is inserted in the bayonet of length groove barrel assy.
4.
Confirm that the focus gear ring moves smoothly and evenly.
Note:
In case of confirming at the other end eccept for the WIDE end, the focus cam ring goes out of its position and F.ECD
flexible board has broken in some case.
Main Assy
Brake Ball
Brake Ball
Apply the grease (G-48)
Apply the grease (G-48)
Apply the grease (G-48)
Length Groove Barrel Assy
Focus Gear Ring
Joint Coma of Focus Gear Ring
(Focus Gear Ring)
(Focus Gear Ring)
Bayonet of Focus Gear Ring
Location Confirmation
F.ECD
Flexible Board
Flexible Board
Insert the focus gear ring in the counterclockwise
direction after the bayonet is inserted.
direction after the bayonet is inserted.
HELP
SAL18250 (3.5-6.3/18-250) (DT 18-250mm F3.5-6.3)
HELP02-10
1.
Affix the friction sheet B to the inner diameter groove of outer barrel.
2.
Set the main assy out to TELE side a little.
3.
Assemble the outer barrel to the main assy and fighten it with three screws.
Note:
You may tighten three screws in any order. But, after tightening all of them, re-tighten the first screw.
Main Assy
Friction Sheet B
You may tighten three screws in any order. But, after tightening
all of them, re-tighten the first screw.
all of them, re-tighten the first screw.
Friction Sheet B
OK
NG
NG
Outer Barrel
Screw
Screw
Screw
Screw
2-7
SAL18250 (3.5-6.3/18-250) (DT 18-250mm F3.5-6.3)
2-2-3. 4TH LENS BARREL ASSY, APERTURE ASSY AND LINER DRIVE BARREL
A
B
HELP03-03
4
HELP03-01
1
2
A
B
C
C
B
HELP03-02
3
2-2-2.
1st Coma Shaft
1st Coma
1st Lens
Slip Barrel
Slip Barrel
Second Cam
Barrel
Barrel
Length Groove
Barrel Assy
Barrel Assy
4th Coma
Coma
Screw D
Screw D
4th Lens
Barrel Assy
Barrel Assy
A
Second Cam Barrel
Linkage Coma
Linkage Coma
1st Slip Barrel
Guide Coma
Guide Coma
Nairocc Coma
Screw
Screw
Nairocc Coma
Screw
Screw
EXPLODED VIEW
(See page 2-8.)
(See page 2-8.)
(From page 2-6.)
2-8
SAL18250 (3.5-6.3/18-250) (DT 18-250mm F3.5-6.3)
B
A
1
2
3
4
5
HELP03-04
5
HELP03-05
6
HELP03-06
0
HELP03-05
HELP03-06
7
8
9
Apreture Assy
3rd Lens Barrel
Hold Screw
Hold Screw
3rd Coma
1st Cam
Barrel
Barrel
2nd Coma
Coma Screw
2nd Slip
Barrel
Barrel
Focus Slip Barrel
Linear Drive
Barrel
Barrel
Focus Cam Barrel
4th Lens Slip
Barrel
Barrel
4th Light Shield
Plate
Plate
G12-13 Adjustment
Washer
Washer
Adjustment
Washer
Washer
4th Lens Barrel
B Assy
B Assy
4th Lens Barrel
A Assy
A Assy
OPTICAL AXIS
ADJUSTMENT
ADJUSTMENT
FOCUS-SHIFT
(Amount of speherical
aberration)
ADJUSTMENT
(Amount of speherical
aberration)
ADJUSTMENT
CURVATURE OF
FIELD ADJUSTMENT
FIELD ADJUSTMENT
Coma Screw F
Focus Slip Coma
(From page 2-7.)
(From page 2-7.)
PARTIAL BLUR
ADJUSTMENT
ADJUSTMENT
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