JAA78851-R.3617.A
- L53 ・ AF-S DX17-55/2.8G -
(4)
Inspection of lens-servo time
INSPECTION OF LENS SERVO TIME.
SERVO AMOUNT.
STANDARD.
1.
[
Df1
]
50ms
OR LESS.
2.
[
Df2
]
62ms
OR LESS.
3.
[
Df3
]
81ms
OR LESS.
4.
[
Df4
]
101ms
OR LESS.
5.
[
Df5
]
125ms
OR LESS.
6.
[
Df6
]
145ms
OR LESS.
7.
DRIVE TO INFINITY.
8.
DRIVE TO CLOSE.
9.
RETURN TO FOCAL DISTANCE SET-UP MENU.
Connect the probes of oscilloscope to E and H terminals of the AF-I communication box (J15306-1). Select the servo
driving amount respectively. Each lens-servo drive time must be within the standard.
Caution
:
If the MF ring is rotated during inspections, the waveform shows an abnormal value. Do NOT touch the MF
ring during inspections. Make inspections at the 5 positions as below.
Lens inclination
Position of index window
Horizontal
Up, right and left
Front lens group 90° upward
Front lens group 90° downward
(Lens position in inspecting)
E terminal
H terminal
E terminal
H terminal
Servo driving time
●Oscilloscope setting
V/Div
:
5V
Coupling
:
DC
Time/Div
:
20 m Sec
Trigger Mode
:
SGL (S)
Trigger Coupling
:
DC
Trigger Source
:
CH1
※
The waveforms of E and H terminals have the
forms for going up for start and going down for
start.
Servo driving time
INC
Содержание ED 17-55mm f/2.8G IF
Страница 75: ...JAA78851 R 3617 A L54 2 AF S DX17 55 2 8G Additional page November 4 2004 Target chart Resolution chart INC ...
Страница 83: ...JAA78851 R 3617 A F1 AF S DX17 55 2 8G 外観図 Sketch drawings 110 5 φ 85 5 INC ...
Страница 84: ...JAA78851 R 3617 A F2 AF S DX17 55 2 8G 組立図 Structure of the Lens INC ...