Using lens files, Adjusting the flange focal length, Removing the lens – Sony PMW-F3K User Manual
Page 30: Pull the lens forward to remove
Attaching a Lens
If you have attached an aberration correction
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 lenses supplied with the PMW-F3K are
aberration correction lenses.
Contact a Sony service representative for
information about other aberration correction
Adjusting the flange focal length
Adjustment of the flange focal length (distance
between the lens mount attachment plane and the
imaging plane) is necessary in the following
• The first time a lens is attached
• When changing lenses
• If the focus is not sharp at both telephoto and
wide angle with a zoom lens
The flange focal length for this camcorder can be
adjusted by rotating the adjustment screw.
Use an Allen wrench (sized 7/64 inch) for the
Counterclockwise rotation lengthens the flange
focal length and clockwise rotation shortens it.
Removing the lens
Proceed as follows:
While holding the lens, turn the lens
mount frame counterclockwise.
Pull the lens forward to remove.
When another lens is not immediately attached,
attach the lens mount cap to its original position
and secure it by turning the lens mount frame
By your storing the data (such as compensation
data) specific to the lenses in files, required
adjustments and compensation can be performed
merely by retrieving the appropriate file when
For details on the lens files, see “Lens Files” on
Adjustment screw of flange focal length
Using Lens Files