Set the zoom ring to wide angle.
Set the iris to manual.

securing rubber be put on the lens locking lever as illustrated above.

4 Connect the lens cable to the LENS connector.

5 Secure the lens cable with the cable clamps.

Adjusting the FlangeFocal Length

If the lens does not stay in focus properly as you

Chapter

flange focal length (the distance from the plane of

zoom from telephoto to wide angle, adjust the

 

the lens mounting flange to the imaging plane).

2

Preparations

Make this adjustment after mounting or changing

 

the lens.

 

The position of the controls for adjusting the flange

 

focal length vary somewhat from lens to lens. Check

 

the identification of the various controls in the lens

 

manual.

 

About 3 m

1

2 Open the iris. Place the flange focal length adjustment chart about 3 m (10 ft) away from the camera, lit well enough to provide a satisfactory video output level.

3 Loosen the fixing screws on the F.f or F.B ring (flange focal length adjustment ring).

4 Use manual or power zoom to set the lens to telephoto.

5 Point the camera at the chart by turning the focus ring and focus on it.

6

7 Turn the F.f or F.B ring until the chart is in focus, being careful not to disturb the focus ring.

Adjusting the Flange Focal Length 43