Nikon 120ED Repair Manual - Page 52

INSPECTION, ADJUSTMENT, FOCUS, Adjustment, using, personal, computer

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FCA45001 -R. 3498. A INSPECTION AND ADJUSTMENT OF BACK FOCUS -Adjustment using a personal computer WRotate the objective lens of collimator(J19019) to set the scale to 0mm(0 calibration). Do not rotate the objective lens afterward. 193.5mm Zoom position 1 (WIDE end) 2 3 4 5 6 (TELE end) 0 Collimator 2 1012 - + ©.Set the display of the FFD adjustment micro stand(J15291) to "0.000". Camera ©Run the inspection and adjustment software and FFD micro Adjustment stand connect between the camera and the personal computer. ()Select " Back focus inspection and adjustment ", and make each adjustment as indicated on the computer display. Standard (g m) 1 5±2 6 0 2 0±3 70 2 5±4 2 0 1 5±4 6 0 0± 4 6 0 -6 5±50 0 * Collimator focusing position Location where vertical line changes from blue to red. • Inspection in manual inspection mode (DSee the above-mentioned to set inspection tool. ©Set the camera to bulb and infinity focus(00h) in manual inspection mode (see page M3,4,5) ©Read the micrometer indication of the FFD adjustment micro stand(J15327) and make sure it is within standard. WIDE side Focus is made at the In-focus position in the scale circle on the collimator. TELE side If the resut is out of the standard range, be sure to perform inspection and adjustment using a personal computer. - A 2 2 • Zoom 120 ED

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FCA45001
-R.
3498.
A
INSPECTION
AND
ADJUSTMENT
OF
BACK
FOCUS
-Adjustment
using
a
personal
computer
193.5mm
Collimator
Camera
FFD
micro
Adjustment
stand
Zoom
position
Standard
(g
m)
1
(WIDE
end)
1
5
±
2
6
0
2
2
0
±
3
7
0
3
2
5
±
4
2
0
4
1
5
±
4
6
0
5
0±
4
6
0
6
(TELE
end)
—
6
5
±
5
0
0
•
Inspection
in
manual
inspection
mode
(DSee
the
above
-mentioned
to
set
inspection
tool.
©Set
the
camera
to
bulb
and
infinity
focus(00h)
in
manual
inspection
mode
(see
page
M3,4,5)
©Read
the
micrometer
indication
of
the
FFD
adjustment
micro
stand(J15327)
and
make
sure
it
is
within
standard.
If
the
resut
is
out
of
the
standard
range,
be
sure
to
perform
inspection
and
adjustment
using
a
personal
computer.
WRotate
the
objective
lens
of
collimator(J19019)
to
set
the
scale
to
0mm(0
calibration).
Do
not
rotate
the
objective
lens
afterward.
0
2
1
0
1
2
-
+
©.Set
the
display
of
the
FFD
adjustment
micro
stand(J15291)
to
"0.000".
©Run
the
inspection
and
adjustment
software
and
connect
between
the
camera
and
the
personal
computer.
()Select
"
Back
focus
inspection
and
adjustment
",
and
make
each
adjustment
as
indicated
on
the
computer
display.
*
Collimator
focusing
position
Location
where
vertical
line
changes
from
blue
to
red.
WIDE
side
Focus
is
made
at
the
In
-focus
position
in
the
scale
circle
on
the
collimator.
TELE
side
—
A
2 2
•
Zoom
120
ED