Turn the zoom ring to the telephoto position.
Set the IRIS selector to the M position. Turn the iris ring to open it.

Adjusting the Lens

Flange Focal Length Adjustment

It is necessary to adjust the flange focal length (the distance from the lens flange to the plane of the image along the optical axis) in the following cases.

•When a lens is fitted for the first time

•After changing lenses

•When during zoom operations the focus does not match properly from telephoto to wide angle

4,11

2

1

3

About 3 m (10 feet)

9

 

 

 

Flange focal length

 

 

 

 

 

 

 

 

adjustment test chart

 

 

T

A

 

RET

W

M

IRIS

 

 

 

 

 

 

 

 

 

8

6

7

5

ZOOM

SERVO MANU.

1

2

3 Place the supplied flange focal length adjustment test chart at a range of about 3 meters (10 feet), and adjust the light so that an appropriate video output level is obtained with the iris open.

4 Loosen the F.B fixing knob.

5 Set the ZOOM selector to the MANU. position.

6

7 Turn the focus ring so that the test chart is in focus.

8 Turn the zoom ring to the wide angle position.

9 Turn the F.B fixing ring so that the test chart is in focus. Do not move the focusing ring.

10Repeat steps 6 to 9 until the image stays in focus from telephoto to wide angle.

11After adjustment, tighten the screw of the F.B fixing knob.

Settings and Adjustments 5 Chapter

Chapter 5 Adjustments and Settings

133