JAA80151-R.3718.A
- A ・AF-S 4-24/2.8G -
300mm
45mm
45mm
45mm
45mm
(+100μm)
(‑100μm)
(‑50μm)
(0μm)
(+50μm)
Aberration compensation data writing adjustment
・
This adjustment uses the software which calculates the aberration compensation data according to the
feature of lens aberration and writes in FLASH-ROM of the lens, in order to improve the accuracy of
autofocus.
Note: This adjustment is necessary when the main PCB and/or each lens part (glass, lens chamber)
is replaced and/or when each lens part is disassembled. Be sure to make this adjustment after
completing inspecting and adjusting the main PCB.
(1) Preparation
・
Test chart (Self-made tool: ref. Procedure for how to create it.)
・
Tripod
・
Camera
(
D100 or D200
)
・
Personal computer
・
USB cable
(
UC-E4
)
・
Adjustment software (
LWM
.exe
�
used for the lens optical alignment.)
(2) Procedure for how to create Test chart
・
Photocopy the next page and cut out 1 target chart and 5 resolution charts.
(
Target chart
)
(
Resolution chart
)
・
As shown below, put each chart in position at the specified spacings.
Note: Only in the center, put the target chart on the central resolution chart.
INC