JAA62951-R.3615.A
- L12 ･ AF DX10.5/2.8G -
Rear lens group unit
Rear lens group unit
#45×3
#43C
・
For the washer to adjust the rear lens
group (#43), use the standard C size #43C
(t=0.03mm) for insertion.
F. F.D. adjustment (Back focus)
①
Set the “∞” mark of the focus ring to the index by aligning, and fix the aperture lever so that the aperture
becomes full open.
②
Read the value of collimator.
③
Remove the bayonet unit.
④
Adjust the thickness of the washer (#46) to correct the difference between the read value and the standard
value.
（
In case of plus, thicken the washer by the differnece, while in case of minus, thin the washer by the
difference .
）
⑤
Check if it is within the standard.
Standard
（
mm
）
－
0.03
～
＋
0.05
Front lens group unit
Front lens group
unit
