Mounting And Adjusting The Lens; Adjusting The Flange Focal Length - Sony PMW-400K Operating Instructions Manual

Mounting and Adjusting
the Lens
Note
Always power the camcorder off before mounting or
removing a lens.
For information about using the lens, refer to the
operation manual for the lens.
1
Push the lens locking lever up and
remove the lens mount cap from the
lens mount.
2
Align the center pin on the lens with the
center slot in the lens mount, and insert
the lens into the mount.
3
Holding the lens in place, push the lens
locking lever down to lock the lens.
Caution
If the lens is not firmly locked, it may come
off while the camcorder is being used. This
could cause a serious accident. Make sure the
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Mounting and Adjusting the Lens

Lens mount
securing rubber
lens is firmly locked. It is recommended that
the lens mount 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.
If you have attached an aberration correction
lens
The aberration correction function is activated
automatically. Starting the camcorder with an
aberration correction lens may require more time
than normally because of data loading at start-up.
The lens supplied with the PMW-400 is an
aberration correction lens. Contact a Sony service
representative for information about other
aberration correction lenses.

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 just one time after
mounting or changing the lens.
When carrying out the adjustment, use the
supplied flange focal length adjustment chart as
the subject.
Notes
• If you use a subject with insufficient contrast, or
move the camcorder or subject during
adjustment, this will cause an adjustment error.
• Place the subject (the flange focal length
adjustment chart) so that it appears at the center
of the screen at the telephoto end. Arrange so
that no nearby object (no object closer to the
About 3 m (10 ft)