JAA78851-R.3617.A
- L41・AF-S DX17-55/2.8G -
ADJUSTMENT OF FOCUS MOVEMENT (TELE, WIDE) /SLANT ADJUSTMENT
Focal length (f)
Standard (mm)
17mm
0
~
+ 0.06
35mm
0
~
+ 0.06
55mm
0
~
+ 0.25
1. Align the infinity (∞) mark of the focus ring with the index.
2. Fix the aperture lever so that the aperture becomes "full".
3. Read the values of the Wide and Tele sides.
4. Carry out the following calculations.
( A - B ) ÷ 2.5 = C
A = Value of Tele side
B = Value of Wide side
C = Adjustment amount (mm) of the 1st lens group unit washer (#77).
5. Adjust the thickness of the washer (#77) by the value of C calculated in the above. If C is positive,
increase the
washers to thicken. If it is negative, decrease the washers to thin. (Refer to P. L40.)
Note:
When putting the washers (#77), put a thin washer between thick washers.
1. Align the infinity (∞) mark of the focus ring with the index.
2. Fix the aperture lever so that the aperture becomes "full".
3. Read the value of Wide or Tele side.
4. Remove the bayonet mount.
5. Adjust the thickness of the washer (#78) by the difference from the standard value. If the difference value
is
positive, increase the washers to thicken. If it is negative, decrease the washers to thin. (Refer to Page
L38.)
ADJUSTMENT OF BACK FOCUS
INC