Nikon AF-S OX Zoom-Nikkor ED 12-24mm f/4G IF Operating instructions

JAA78451-R.3596.A
作成承認印 配布許可印
REPAIR MANUAL
NIKON CORPORATION
Tokyo, Japan
Recycled paper
Printed in Japan March 2003
Copyright ｃ 2003 by Nikon Corporation.
All Rights Reserved.
AF-S DXZoom-Nikkor ED 12-24mm f/4G IF
INC

JAA78451-R.3596.A
- M1 ･AF-S DX12-24/4G -
Type of lens
Focal length
Maximum aperture
Lens construction
Picture angle
Focal length scale
Distance information
Zoom control
Focusing
Shooting distance scale
Closest focus distance
Diaphragm
Aperture range
Exposure measurement
Attachment size
Dimensions
Weight
G-type AF Zoom- Nikkor lens having built-in CPU and Nikon F bayonet mount
12mm - 24mm (18 - 36 mm in 35 mm format)
f/4
11 elements in 7 groups (3 aspherical lens and 2 ED lens elements)
99 ° - 61 ° (with Nikon Digital Camera D1/D1H/D1X/D100)
12,15,18,20,24mm
Output to camera body
Manually via separate zoom ring
Nikon Internal Focusing (IF) system (utilizing an internal Silent Wave Motor);
manually via separate focus ring
Graduated in meters and feet from 0.3m (1ft.) to innity (∞)
0.3m (1ft.) at all zoom settings
Fully automatic
f/4-22 at all zoom settings
Via full-aperture method with cameras having CPU interface system
77mm (P=0.75mm)
Approx. 82.5mm dia. ×90mm extension from the camera's lens mount ange
Approx.485g
SPECIFICATIONS
This lens can be used for Nikon digital SLR camera only.
INC

JAA78451-R.3596.A
- L1･ AF-S DX12-24/4G -
Disassembly
1ST LENS GROUP
#101
FILTER RING
#103
#35
#79
#104×4
・Remove the rubber ring (#35).
・Remove the blindfolding-cover (#103).
・Unscrew #79.
・Take out 4 screws (#104).
・Remove the lter ring.
Filter ring
INC

JAA78451-R.3596.A
- L2･ AF-S DX12-24/4G -
REAR COVER RING
#64×2
#66×3
ZOOM RING
#87
B4
#66
・Unscrew #87.
・Unscrew #66.
・Remove the encoder brush (B4).
・Remove the zoom ring.
Note：
The convex 3 parts of the zoom ring are
grooved in #22.
So remove the zoom ring by turning it to
the position where the convex parts detach
from the groove.
Rear cover ring
Zoom ring
Groove
Convexity
#22
#127
INC

JAA78451-R.3596.A
- L3･ AF-S DX12-24/4G -
BAYONET
#100
#109×3
#110
INDEX RING, FOCUS RING
Index ring
Focus ring
M/A change-over
SW
M/A change-over
SW
・ Detach the M/A change-over SW from the index ring
by sliding it as shown in Fig. 1.
・ Remove the index ring.
・ Remove the focus ring.
Note：Pass the M/A change-over SW through the hole of
the index ring as shown in Fig. 2.
Fig. 1.
Index ring
Fig. 2.
INC

JAA78451-R.3596.A
- L4･ AF-S DX12-24/4G -
MAIN PCB
Distance encoder FPC
Main PCB
Zoom encoder FPC
SWM －FPC
MR sensor FPC
・ Remove the FPCs (positioned at 4 parts)
from the connecter.
・ Unscrew #89.
・ Remove the main PCB.
SWM UNIT
#89
#90×3
#29
#90×3
SWM unit
INC

JAA78451-R.3596.A
- L5･ AF-S DX12-24/4G -
#86
#77
#72
#78 × 2
#98 × 2
#97 × 2
#84 × 2
#72 × 2
CAM RING UNIT
INC

JAA78451-R.3596.A
- L6･ AF-S DX12-24/4G -
・Take out the cam ring by turning the
1st sliding ring in the direction indi-
cated by the arrow.
・Detach the 2nd and 3rd units from
the cam ring.
1st sliding ring
Cam ring
Can ring 2nd and 3rd units
1st sliding ring
#96×3
#135×3
#95×3
INC

JAA78451-R.3596.A
- L7･ AF-S DX12-24/4G -
2ND LENS GROUP
#84×2
#72×2
2nd lens group
3RD LENS GROUP
3rd lens group
Aperture blade housing
#68×3
Note：
If the 3rd lens group is removed, the shaft alignment is necessary
after assembling.
If the shaft alignment is impossible in your service ofces, do not
remove the 3rd lens group.
INC

JAA78451-R.3596.A
- L8･ AF-S DX12-24/4G -
Assembly
3RD LENS GROUP
3rd lens group
Aperture blade housing
#68 × 3
APERTURE BLADE HOUSING UNIT
Aperture blade housing unit B5 × 7 #56
#33 #52
#59 × 2
#58 #60
#59 × 2
#80 × 2
#58
#60
#80
#80
#56
#52
#33
#59
#59
INC