Chapter 5 Preparation (continued)
If the subject is not focused properly in the telephoto and
Once this adjustment is done, it need not be redone unless the lens is replaced.
1 Raise the lever for securing the lens, and detach the mount cap.
Lever for securing the lens
Mount cap
2 Align the center mark of the lens with the groove in the top center of the lens mount, and attach the lens.
Mark
3 Push down the lever for securing the lens to secure the lens.
4 Push the cable into the cable clamp, and connect it to the LENS socket.
LENS socket
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.
<Note>
For details on the adjustment method and lens positions, refer also to the operating instructions that accompany the lens.
1 | Attach the lens to the camera. | 5 |
At this stage, do not forget to connect the lens cable. | ||
2 | Set the lens aperture to manual and open the aperture. |
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Approx. 3 meters
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.
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.
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.
7 Set the zoom ring to the
Take care not to move the distance ring during this process.
8 Repeat steps 5 to 7 until the focus is adjusted at both the telephoto and
9 Tighten the screw securing the F.f ring.
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