61

Chapter 5 Preparation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Adjusting the white shading of the lens

7 Set the lens aperture control to manual, and adjust it so

 

 

 

 

The white shading is adjusted as follows.

that the zebra pattern covers the whole screen. Check

<Notes>

 

 

that the lens aperture is between F4 and F10.

 

 

<Notes>

 

 

 

≥Coloring may occur in the vertical direction near where the

 

 

 

lens aperture is open even when the white shading has

≥The zebra pattern will not cover the whole screen if

been adjusted. This is something that is inherent to lenses

there is any unevenness in the lighting. In this case,

and optical systems and is therefore not indicative of a

make adjustments to the position of the lighting, etc.

failure or malfunctioning.

 

 

≥Make adjustments to the position of the lighting, etc.

≥The white shading cannot be adjusted when the digital

also when the lens aperture is not between F4 and F10.

zoom function is working.

To adjust the white shading,

≥Be absolutely sure to leave the electronic shutter at

release the digital zoom function first (by pressing again the

OFF.

 

 

 

USER button to which D.ZOOM is allocated).

 

 

 

 

 

8 1 Set the WHITE BAL selector switch to “A” or “B,” and

5

1 Attach the lens to the camera.

 

use the AUTO W/B BAL switch to adjust the white

 

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

 

balance automatically (AWB).

2 Set the electronic shutter to OFF and the gain to “L (0

2 Use the AUTO W/B BAL switch to adjust the black

 

balance automatically (ABB).

3 Again, use the AUTO W/B BAL switch to adjust the

dB).”

 

 

3 If the extender is attached to the lens, release the

 

white balance automatically (AWB).

9 Repeat step 7.

 

 

 

extender function.

 

 

 

 

 

4 Perform a menu operation to open the <GAMMA> screen

10 Perform a menu operation to open the <WHITE

from the PAINT page, and check that “STD” is selected

SHADING> screen from the MAINTENANCE page.

as the GAMMA MODE SEL item setting. Then open the

 

 

 

 

 

<VF DISPLAY> screen from the VF page, check that the

11 Turn the JOG dial button to move the arrow (cursor) to

settings selected for the ZEBRA1 DETECT item, ZEBRA2

DETECT item and ZEBRA2 item match the settings

the DETECTION (V.SAW) item, and press the JOG dial

button to execute white shading compensation.

shown in the figure below. If they differ, make the

 

 

 

 

 

appropriate changes, and then close the menu screen.

 

< WHITE SHADING >

 

 

 

#< VF DISPLAY >

 

 

 

CORRECT

:ON

 

 

#

DETECTION(V.SAW)

 

 

 

DISP CONDITION

:NORMAL

 

 

 

 

 

DISP MODE

:3

 

 

 

 

 

 

DS.GAIN DISP

:FRM RATE

 

 

 

 

 

VF OUT

:Y

 

 

 

 

 

VF DTL

:3

 

 

 

 

 

 

 

ZEBRA1 DETECT

:070%

 

 

 

 

 

 

 

ZEBRA2 DETECT

:085%

 

 

 

 

 

 

 

ZEBRA2

:SPOT

 

 

 

 

 

 

LOW LIGHT LVL

:35%

 

 

 

 

 

 

ECU MENU DISP.

:OFF

 

 

 

 

 

MARKER/CHAR LVL

:50%

 

 

 

 

 

 

 

 

 

 

12 When the JOG dial button is pressed, the following

5 Set the ZEBRA switch on the viewfinder to ON.

message appears.

 

 

 

 

 

 

 

 

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.

 

DETECT?

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

#

NO

 

 

 

Page 60 Page 62
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Image 61
Panasonic AJ-HDX400P operating instructions Adjusting the white shading of the lens, Off
Page 60 Page 62

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