JAA79351-R.3670.A
- A31 ･ AF-S DX55-200/4-5.6G -
Change Page
× 2
March 12. 2007
0
55 135 200 ( f )
( mm )
1.0
2.0
3.0
4.0
1. Turn the focus ring all the way to the infinity-end.
2. Fix the aperture lever so that the aperture becomes full.
3. Read each value of WIDE and TELE sides.
4. Calculate as follows:
(
A
－
B
）
÷4.5
＝
C
A
A
A
＝
Value at TELE side
B
＝
3.51 (Target value)
C
＝
Adjustment amount (mm) of the washer (#3) of the 1st lens group
5.
Adjust the washer (#3) by increasing/decreasing by the above value of C. If C is plus, increase the thick-
ness of it, while it is minus, decrease the thickness of it. (ref. Page A3)
Note:
When the washer (#3) is put, place a thin washer between thick washers
1. Turn the focus ring all the way to the infinity-end.
2. Fix the aperture lever so that the aperture becomes wide open.
3. Read the value of Wide and Tele side.
4. Remove the bayonet mount.
5.
Adjust the washer (#62) 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 A13
）
Focal length
（ｆ）
Standard (mm)
55 mm
＋
0.2
～＋
0.40
135 mm
＋
1.606
～＋
1.906
200 mm
＋
3.361
～＋
3.661
Adjustment (Division) of Focus movement (T, W)
Adjustment of F.F.D (Back focus)
Focal length
（ｆ）
Standard (mm)
55 mm
0.0
～＋
0.10
135 mm
－
0.1
～＋
0.30
200 mm
－
0.1
～＋
0.40
Vertical-type collimeter
Horizontal-type collimeter
Ｍ
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