Nikon One-Touch Zoom 90s One-Touch Zoom 90s AF Quartz Date Repair Manual page 40

5. Perform adjustment.
1) Turn the spindle of the micro mount and set to "0µm".
2) Set the lens barrel to the T end.
3) Carry out release to set "valve" and turn the front lens group to be in focus.5 ．
4) Set the lens barrel to the W end.
5) Under the bulb open condition, turn the spindle of the micro mount to be in focus.
6) Repeat 2) ～ 5) till the T end and W end are in focus.
7) Turn and shift the rear lens group by the value of the micro mount adjusted at the W end.
8) Turn the spindle of the micro mount to set to "0µm".
9) Make sure that focus is correct at the W end under the valve open condition.
10) After adjustment, apply adhesive to the front and rear lens groups to fix them.
Adhesive: 1401B
Adhesive: 1401B
- A17 • One Touch Zoom 90s AF -
1 turn of the rear lens group is equivalent
to 500µm.
Turn it counterclockwise for negative value.
Turn it clockwise for positive value.
FCA54001-R.3567.A