Adjustment Of Back Focus; Adjustment Of Focus Movement (Tele, Wide) /Slant Adjustment - Nikon ED 17-55mm f/2.8G IF Repair Manual

ADJUSTMENT OF FOCUS MOVEMENT (TELE, WIDE) /SLANT ADJUSTMENT

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
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.

ADJUSTMENT OF BACK FOCUS

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.)
A = Value of Tele side
B = Value of Wide side
C = Adjustment amount (mm) of the 1st lens group unit washer (#77).
Focal length (f) Standard (mm)
17mm
35mm
55mm
- L41・AF-S DX17-55/2.8G -
0 ～ + 0.06
0 ～ + 0.06
0 ～ + 0.25
INC
JAA78851-R.3617.A