Shooting; Adjusting The Flange Focal Length - Sony DXC-390 Instructions For Use Manual

Shooting

Adjusting the Flange Focal Length

This section explains how to adjust the flange focal length
(distance from the lens mounting plane to an object).
Adjustment method varies with the lens you use.
When you use the VCL-610WEA zoom lens
Desired shooting
distance to the object
or about 3 m (10 feet)
1
Object, such as letters, fine
patterns, etc., on which you
can observe the focus
condition distinctly
32
(GB) Chapter 2 Operation
6
2
4
3, 5
RM-C950 remote
control unit
The following is an example of flange focal length
adjustment using the RM-C950 remote control unit. Adjust
it using the FLANGE BACK (flange focal length)
adjustment ring on the camera.
Note
Be sure to set the iris fully open before adjusting the flange
focal length.
1
Point the camera to an object at the desired shooting
distance or about 3 m (10 feet) away.
2
Set the IRIS AUTO/MANUAL knob to MANUAL, and
turn the IRIS knob to OPEN as far as it goes.
3
Turn the ZOOM knob to TELE (telephoto) as far as it
goes.
4
Adjust the focus on the object used in step 1 by turning
the FOCUS knob.
5
Turn the ZOOM knob to WIDE (wide-angle) as far as it
goes.
6
Adjust the focus on the object used in step 1 by turning
the FLANGE BACK (flange focal length) adjustment
ring on the camera.
7
Repeat steps 3 to 6 until you achieve sharp focus both in
the telephoto and wide-angle positions.
Now the flange focal length adjustment is completed.
You do not need to readjust the flange focal length unless
you replace the lens.