Nikon 120ED Repair Manual - Page 68

<EV≤13.12.5, 11<EV≤15, W:15<EV≤17, 125<EV≤19.125

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FCA45001 - R.3498.A AE accuracy Item Standardofjudgment Method and tools The demands of the following table must be fulfilled. AE tester EF-511N • Set the camera near the luminance surface of the AE tester and EF8000 measure the aperture surface at each luminance. • It is permitted to check density by taking a picture of the luminance surface. Visual check must be done by comparison with the reference film. EV Error Difference Neighboring difference W:4

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FCA45001
-
R.3498.A
Item
Standardofjudgment
Method
and
tools
AE
accuracy
The
demands
of
the
following
table
must
be
fulfilled.
AE
tester
•
Set
the
camera
near
the
luminance
surface
of
the
AE
tester
and
measure
the
aperture
surface
at
each
luminance.
•
It
is
permitted
to
check
density
by
taking
a
picture
of
the
luminance
surface.
Visual
check
must
be
done
by
comparison
with
the
reference
film.
EF-511N
EF8000
EV
Error
Difference
Neighboring
difference
W:4<EV-11
T
6.12.5<EV≤13.12.5
±0.9EV
Within
0.5EV
No
reverse
W:
11<EV≤15
T.
13.125<EV17.125
+1.2EV
Within
0.
9EV
W:15<EV≤17
T.
17.125<EV≤19.125
±1.6EV
Within
1.
2EV
Remarks
•
Error
Error
of
the
exposure
average
value
obtained
by
continuous
5
measuring
operations
•
Difference
Difference
between
the
maximum
and
minimum
values
obtained
by
continuous
5
measuring
operations
•
Neighboring
difference
Average
value
obtained
by
measuring
the
neighboring
exposure
values
(difference:
lEV)
5
times
continuously
AE
high
luminance
real
ability
Sector
should
be
opened
at
BV12.
(ISO3200
fi
lm)
Lens
barrel
Lens
barrel
change
time
and
electric
current
Lens
barrel
position
Drive
time
Drive
electric
current
Oscilloscope
Digital
multimater
Stop
watch
W
<—
—>T
Within4.0
sec
600mA
or
less
Focus
back
Focus
back
Refer
to
the
chapter
of
assembly
and
adjustment.
Collimator
(
J19
019)
FFD
adjusting
micro
-stand
(J15327)
Operating
units
Force
Item
Force
Tension
gauge
Slide
cover
opening/closing
6.8N±
2N
Si
1.0N+
0.34N
S2
3.4N+
0.7N
SBS
1.0N+
0.5N
MOS
1.0N+
0.5N
MUS
3.1N+
0.5N
Zoom
SW
2.9N+
0.5N
Camera
back
opening
5.9N+
1.0N
Camera
back
closing
2.9N+
LON
PAR
lever
2.9N+
1.ON
—
R
2
•
Zoom
120
ED
—