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4-4-18
A
4-26
SHUTTER
SPEED ADJUSTMENT
Specifications
Curtain speed
22.9+ 0.3 ms. (both Ist &2nd , at 1/1000 sec.)
Exposure
time
1/1000
lms
1/15
60ms
1/500
2ms
|
1/8
125ms
1/250
4ms
;
1/4
250ms
1/125
8ms
|
1/2
500ms
1/60
léms
|
1
1000ms
1/30
30ms
Synchronization
FP
—
11t2ms
x
Aw-l1.2
B~-3.3
C-4.5
ms
Curtain
speed adjustment
Perform the bounce prevention adjustment first, if it is out of
adjustment.
Refer to 4-4-20.
Operating
the shutter at''B", adjust each curtain
speedto
22.91
0.3 ms by adjusting Worms(E64).
Perform the bounce prevention
adjustment again and check the curtain speed.
If the curtain speed
shows considerable change, correct it.
screw
driver
lst
curtain
adjustment
Fig.4-55
Note:
When turning the worm(E64)of the lst curtain, hold it from
the back with a screw
driver, in order
to prevent the drop-
ping off of the screw.
Shutter speed adjustment
1
Operate
the shutter with the shutter dial set at 'I'"', and adjust
VR1
so that the exposure
tester indicates
1000ms.
2
Operate the shutter at 1000",
and adjust VR2 so that the expo-
sure
tester indicates
lms.
At the same
time, adjust the curtain
speed to 22.9 ms(center), minimizing
uneven
exposure
on the
3 points measured.
(Final adjustment of the curtain speed)
After finishing the above adjustment, apply a proper amount
of paint
to the set screws
of the worms, adjustable
resistors
VR1
and VR2,
and lock screws of the damper disks,
for locking.
§
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