Adjustment (Division) Of Focus Movement (T, W); Adjustment Of Back Focus - Nikon AF-S VR Zoom-Nikkor ED 70-200mm f/2.8G IF Repair Manual

ADJUSTMENT (DIVISION) OF FOCUS MOVEMENT (T, W)

１．Fit the infinity ( ∞ ) mark of the focus ring to the index.
２．Fix the aperture lever to make the aperture "full".
３．Read the values of the Wide and Tele sides.
４．Carry out the following calculations.
（Ａ－Ｂ）÷ 1. ５＝Ｃ
５．Adjust the thickness of the washer #190 by the value of C calculated in the above. If C is positive, thicken the
washer. If it is negative, thin the washer. (Refer to P. L44.)
Note：When setting the washer #190, put a thin washer between thick washers.

ADJUSTMENT OF BACK FOCUS

１．Fit the infinity ( ∞ ) mark of the focus ring to the index.
２．Fix the aperture lever to make the aperture "full".
３．Read the value of Wide or Tele side.
４．Remove the bayonet mount.
５．Adjust the thickness of the washer #115 by the difference from the standard value. If the difference value is
positive, thicken the washer. If it is negative, thin the washer. (Refer to P. L37.)
Focal length (f) Standard (mm)
７０ｍｍ －０． ０６～＋０． １５
８０ｍｍ －０． ０６～＋０． １５
１３５ｍｍ －０． １０～＋０． １５
２００ｍｍ －０． １０～＋０． ２０
Ａ＝ Value of Tele side
Ｂ＝ Value of Wide side
Ｃ＝ Adjustment amount (mm) of the
0.20
0.15
0
-0.06
-0.10
（mm）
70
- L45 ･ AF-S VR 70-200/2.8G -
INC
JAA78151-R.3584.A
lens group unit washer #190
80 135 200 （ｆ）