Note
F.b (Flange back) may be indicated on some lenses.
5 Set the zoom ring to the telephoto position, either manually or by electric drive.
6 Aim the lens at the flange back adjustment chart and turn the distance ring to bring the chart into focus.
7 Set the zoom ring to the wide-angle position and turn the F.f ring to bring the chart into focus.
While focusing, take care not to move the distance ring.
Adjusting the Lens Flange Back
If images are not clearly focused at both telephoto and wide-angle positions during zoom operations, adjust the flange back (distance from the lens mounting surface to the image formation surface).
Once adjusted, the flange back does not need to be re- adjusted as long as the same lens is mounted on the camera.
Note
Please also refer to the lens instruction manual for directions on adjustment and locations of individual lens parts.
1 Mount the lens on the camera.
Make sure you connect the lens cable.
2 Set the lens iris to manual, and fully open the iris.
Approximately 3m
3 Place the flange back adjustment chart about 3 m from the lens and adjust the lighting on the chart to obtain an appropriate video output level.
If the video level is too high, use the filters or the shutter.
Mounting the lens and Performing the Flange Back
and White Shading Adjustments
Mounting the Lens
1 Raise the lens clamping lever and remove the mount cap.
Lens Clamping
Lever
Preparation
Mount Cap
2 To mount the lens, align the indentation at the top center of the lens mount with the center mark of the lens.
Mark
3 Lower the lens clamping lever to clamp the lens.
4 Secure the cable through the cable clamp, and plug it | 4 Loosen the F.f (Flange focus) ring clamping screw. |
into the LENS connector. |
|
LENS Connector
5 Adjust the lens flange back.
Notes
z Please refer to the lens instruction manual for guidance on lens handling.
zWhen the lens is removed, install the mount cap to protect the device.
Preparation：Mounting the lens and Performing the Flange Back and White Shading Adjustments 101