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5
1
Attach the lens to the camera.
At this stage, do not forget to connect the lens cable.
2
Set the lens aperture to manual and open the aperture.
3
Set the lighting in such a way that the appropriate video
output level is achieved at a distance of about 3 meters
away from the chart used for the flange back adjustment.
If the video level is too high, use the filters and shutter.
5
Set the zoom ring to the telephoto position either
manually or electrically.
6
Shoot the chart used for the flange back adjustment, and
turn the distance ring to adjust the focus.
8
Repeat steps
5
to
7
until the focus is adjusted at both the
telephoto and wide-angle positions.
9
Tighten the screw securing the F.f ring.
7
Set the zoom ring to the wide-angle position, and turn
the F.f ring to adjust the focus.
Take care not to move the distance ring during this
process.
4
Loosen the screw securing the F.f (flange focus) ring.
<Note>
On some lenses, this may be marked as F.b (flange
back) ring.
Approx.
3 meters
Adjusting the lens flange
If the subject is not focused properly in the telephoto and
wide-angle modes during zoom operations, adjust the flange
back (distance from the lens mounting surface to the image-
forming surface).
Once this adjustment is done, it need not be redone unless
the lens is replaced.
<Note>
For details on the adjustment method and lens positions,
refer also to the operating instructions that accompany the
lens.
5
Proceed with the flange back adjustment for the lens.
<Notes>
≥
For details on how to handle the lens, refer to the
operating instructions of the lens.
≥
While the lens is removed, attach the mount cap to
protect the unit.
4
Push the cable into the cable clamp, and connect it to
the LENS socket.
LENS socket
Chapter 5 Preparation
(continued)
5-2 Attaching the lens and adjusting
the flange back
Attaching the lens
1
Raise the lever for securing the lens, and detach the
mount cap.
Lever for
securing the lens
Mount cap
Mark
2
Align the center mark of the lens with the groove in the
top center of the lens mount, and attach the lens.
3
Push down the lever for securing the lens to secure the
lens.
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