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Chapter 5 Setting Up the Camcorder5-18
5
About 3 m (10 ft)
5-4 Adjusting the Flange
Focal Length
If the lens does not stay in focus properly as you zoom from telephoto to
wide angle, adjust the flange focal length (the distance from the plane of
the lens mounting flange to the imaging plane). Make this adjustment
after mounting or changing the lens.
Adjusting the flange focal length
The positions 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.
Adjusting the flange focal length
1 Set the iris to manual.
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.