Panasonic AJ-HPX3100G Adjusting the Lens White Shading, Repeat step, Attach the lens to the camera, Set the ZEBRA switch on the viewfinder to ON

Set the ZEBRA switch on the viewfinder to ON.

Repeat step 7.

If the extender is attached to the lens, release the extender function.

Attach the lens to the camera.

At this stage, do not forget to connect the lens cable.

Set the electronic shutter to OFF and the gain to “L (0 dB)”.

8 Repeat Steps 5 to 7 until the lens is in focus at both the telephoto and wide-angle positions.

9 Firmly tighten the F.f ring clamping screw. Adjusting the Lens White Shading

Method to correct the waveform to be more flat by combining the sawtooth-shaped waveform and the parabola waveform when watching the respective waveforms of R, G and B of the video signals.

Adjust the white shading in the following manner after turning OFF the DS. GAIN and D.ZOOM.

‹Note

Coloring may occur in the vertical direction near where the lens aperture is open even when the white shading has been adjusted. This is something that is inherent to lenses and optical systems and is therefore not indicative of a failure or malfunctioning.

1

2

3

4 Open the <GAMMA> screen from the PAINT page using the menu operation to confirm that GAMMA MODE SEL is set to “HD”. Then, open <VF DISPLAY> from the VF page to confirm that ZEBRA1 DETECT and ZEBRA2 DETECT are the same as shown in the following illustration. If they are not the same, revise the settings and close the menu screen.

# < VF DISPLAY >
	DISP CONDITION	:NORMAL
	DISP MODE	:3
	VF OUT	:Y
	VF DTL	:05
	ZEBRA1 DETECT	:070%
	ZEBRA2 DETECT	:085%
	ZEBRA2	:SPOT
	LOW LIGHT LVL	:35%
	RC MENU DISP.	:OFF
	50M INDICATOR.	:OFF
	MARKER/CHAR LVL	:50%
	SYNCHRO SCAN DISP.	:sec

5

6 Shoot a white sheet of paper with no unevenness of color.

‹Note

Since fluorescent lights, mercury lamps and other such kinds of lighting tend to flicker, use a light source which is free from flicker such as sunlight or a halogen lamp.

7 Set the lens aperture control to manual, and adjust it so that the zebra pattern covers the whole screen.

Check that the lens aperture is between F4 and F11.

‹Notes

zThe zebra pattern will not cover the whole screen if there is any unevenness in the lighting. In this case, make adjustments to the position of the lighting, etc.

zMake adjustments to the position of the lighting, etc. also when the lens aperture is not between F4 and F11.

zBe absolutely sure to leave the electronic shutter at OFF.

8 1Set the WHITE BAL selector switch to “A” or “B,” and use the AUTO W/B BAL switch to adjust the white balance automatically (AWB).

2Use the AUTO W/B BAL switch to adjust the black balance automatically (ABB).

3Again, use the AUTO W/B BAL switch to adjust the white balance automatically (AWB).

9

10 Using the menu operation, open the <WHITE SHADING> screen from the MAINTENANCE page and a range of items from R H SAW item to B V PARA item, so that the waveform is more flat.

< WHITE SHADING >
CORRECT	:ON
# R H SAW	:+000
R H PARA	:+000
R V SAW	:+000
R V PARA	:+000
G H SAW	:+000
G H PARA	:+000
G V SAW	:+000
G V PARA	:+000
B H SAW	:+000
B H PARA	:+000
B V SAW	:+000
B V PARA	:+000

H SAW

Before	After
correction	correction

H PARA

112 Preparation: Mounting the Lens and Performing the Flange Back and White Shading Adjustments