Nikon AF-S VR Zoom-Nikkor ED 70-200mm f/2.8G IF Repair Manual page 43

③ Mount the optical parallel （J15380-2） to the measuring stand（J18037）.
④ Fine adjust the position of the auto-collimeter to adjust the optical axis to the measuring stand.
《ref.》
The optical axis adjustment is possible by using the parallel glass or parallel mirror, etc, in place of J18037.
J15380-2
⑤ Mount the rear lens unit to the measuring stand (J15380-2) and put the parallel glass to the end of the rear lens unit.
※ The G1 lens for telephoto lens, e.g. AF-S300mm, etc, can be used as parallel glass.
rear lens unit
Mirror tool cross line
J18037
Parallel glass
Parallel glass cross line
- L39 ･ AF-S VR 70-200/2.8G -
Auto-collimeter
⑥ As shown in the left, measure a gap between the
cross line of the mirror tool and that of the paralle
glass.
INC
JAA78151-R.3584.A