Nikon AF-S VR DX Zoom Nikkor 18-200/3.5-5.6G ED, Руководство по ремонту

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JAA79471-R.3678.A
- A20 ･ AF-S VRDX18-200/3.5-5.6G -
1. Align
（
∞)-mark of the focus ring with the index.
2. Fix the aperture lever so that the aperture becomes full.
3. Read each value of WIDE, MIDDLE and TELE sides.
4. Calculate as follows:
（
A
－
B
）
÷ 3
＝
D A
＝
Value at MIDDLE
（
70 mm)
(
C
－
B
）
÷ 4
＝
E B
＝
Value at WIDE side
C
＝
Value at TELE side
D
＝
Adjustment amount (mm) of the washer (#80) of the 2nd lens group
E
＝
Adjustment amount (mm) of the washer (#133) of the 1st lens group
5.
Adjust the washer (#80) by increasing/decreasing by the above value of D. If D is plus, increase the
thickness of it, while it is minus, decrease the thickness of it.
6.
Adjust the washer (#133) by increasing/decreasing by the above value of E. If E is plus, increase the
thickness of it, while it is minus, decrease the thickness of it.
Note: When the washers (#80 and #133) are put, place a thin washer between thick washers.
1. Align
（
∞)-mark of the focus ring with the index.
2. Fix the aperture lever so that the aperture becomes wide open.
3. Read the value of Wide or Tele side.
4. Remove the bayonet mount.
5. Adjust the washer (#79) by increasing/decreasing by the difference from the standard value. If the
difference is plus, increase the thickness of it, while it is minus, decrease the thickness of it.
(ref. Page
A16
）
"
Adjustment (Division) of Focus movement (T, W)
Adjustment of F.F.D (Back focus)
Focal length (f) Standard (mm)
18 mm +0.06 ~ +0.12
35 mm -0.01 ~ +0.16
70 mm -0.07 ~ +0.16
200 mm -0.24 ~ +0.16
Caution: If the vertical-type collimator is used, to compensate a difference from the horizontal-type collimator,
consider “+0.09 (+9 scale)” as “0”, and make a measurement .
When Horizontal-type collimator used
△（
Addition
）
Focal length (f) Standard (mm)
18 mm +0.15 ~ +0.21
35 mm +0.17 ~ +0.34
70 mm +0.14 ~ +0.37
200 mm +0.21 ~ +0.61
When Vertical-type collimator used
△（
Addition
）
Changed page
△
×3
If a vertical-type collimator is used, make a measurement by using the below as standard.
△（
Revision
）
October. 20.2006
INC