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Adjusting the white shading
Follow the procedure outlined below when the white
shading needs to be re-adjusted.
Adjustment method
<Notes>
OThe method below can be used for the white
shading adjustments with most lenses. However,
with some very special lenses, a different
adjustment method may be necessary.
OEven when the white shading has been adjusted,
tinting may occur in the vertical direction near the
lens aperture open position. This is a phenomenon
which is inherent to lenses and optical systems and
is not indicative of malfunctioning.
SHUTTER: OFF
GAIN: L (0 dB)
JOG dial button
MENU button
1
Attach the lens to the camera.
At this stage, do not forget to connect the lens
cable.
2
Set the electronic shutter to OFF, and set the gain
to “L (0 dB).”
3
If the lens is provided with an extender, disengage
the extender function.
4
1Perform the menu operations (pages 84 to 86),
and display the “VF DISPLAY” screen of FILM
(CAM) MAIN MENU 2.
2Set ZEBRA1 DETECT to 70%, ZEBRA2
DETECT to 85% and ZEBRA2 to SPOT.
3Press the MENU button and close the menu
screen.
4Set the ZEBRA switch on the viewfinder to ON.
5
Shoot a sheet of white paper devoid of color
irregularities.
<Note>
Since flicker tends to occur under fluorescent
lights, mercury lamps and other such lights, use a
source of light such as sunlight or a halogen lamp
which does not tend to produce flicker.
6
Set the lens aperture to manual, and adjust the
lens aperture in such a way that ZEBRA fills the
whole screen.
Check that the lens aperture is between F/4 and
F/11.
<Notes>
OSince unevenness in the lighting will make it
impossible for ZEBRA to fill part of the screen,
try adjusting the lighting position, etc.
OTry adjusting the lighting position, etc. also when
the lens aperture is not between F/4 and F/11.
OAlways be sure to leave the electronic shutter at
OFF.