JAA33751-R.3646.A
- Ａ36・AF-S VR300/2.8G -
①
Set the focus ring by turning it to the infinity (∞).
②
Insert a suitably-sized cut heavy paper or plastic, etc in the 3.1-aperture lever so that the aperture becomes
"full".
③
Set the lens on the lens adapter for focus tester, and measure M.B.f value by the back focus collimator
(J19002).
④
In case it is out of standard, remove the 1st lens group, 1.5th lens group, 2nd lens group, and washer (#284).
⑤
For a difference between the value (
③
) and the standard value, adjust the thickness by selecting the washers
(#284A -H).
(If the difference is positive, increase the washers. If it is negative, decrease the washers.)
Standard: 0±0.25 mm
⑥
In case it is within standard, confirm the (∞) alignment by the collimator.
Standard: Center of (∞)-mark±2/3
Note: If the back focus collimator (J19002) is NOT available, while checking (∞) alignment by the collimator
used in
⑥ ,
make adjustments by selecting the above washers.
±2/3
1
1
1st lens group setscrew
#277×3
#46
FFD (Adjustment of back focus), ∞ alignment inspection and adjustment
Summary of Contents for AF-I Nikkor ED 300mm f/2.8D IF
Page 5: ...JAA33751 R 3646 A Ｄ3 AF S VR300 2 8G 1st lens group 41 G1 190 3 42 G2 40 G3 4 48 43 38 89 ...
Page 92: ...JAA33751 R 3646 A L1 AF S VR ED 300 2 8G IF 外観図 Sketch drawings ...
Page 93: ...JAA33751 R 3646 A L2 AF S VR ED 300 2 8G IF 組立図 Structure of the Lens ...
Page 94: ...JAA33751 R 3646 A L3 AF S VR ED 300 2 8G IF ...
Page 95: ...JAA33751 R 3646 A L4 AF S VR ED 300 2 8G IF ...
Page 96: ...JAA33751 R 3646 A L5 AF S VR ED 300 2 8G IF ...
Page 97: ...JAA33751 R 3646 A L6 AF S VR ED 300 2 8G IF ...
